the gaseous fuel being liquefied petroleum gas [LPG], liquefied natural gas [LNG], compressed natural gas [CNG] or dimethyl ether [DME]

Industry

CPC
F02D19/0647

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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F02Combustion engines F02DCONTROLLING COMBUSTION ENGINES F02D19/00Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures

Current Industry

F02D19/0647the gaseous fuel being liquefied petroleum gas [LPG], liquefied natural gas [LNG], compressed natural gas [CNG] or dimethyl ether [DME]

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Systems, methods, and apparatus for operation of dual fuel engines
- Patent number 12,221,934
- Issue date Feb 11, 2025
- Cummins Inc.
- C. Larry Bruner
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Fuel gas valve applicable to natural gas and liquefied petroleum gas
- Patent number 12,203,421
- Issue date Jan 21, 2025
- HWEI KEH ENTERPRISE CO., LTD.
- Jih-Ching Lai
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Stoichiometric high-temperature direct-injection compression-igniti...
- Patent number 12,196,125
- Issue date Jan 14, 2025
- The Board of Trustees of the Leland Stanford Junior University
- Christopher F. Edwards
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Valve cover assembly for internal combustion engine
- Patent number 12,173,662
- Issue date Dec 24, 2024
- Caterpillar Inc.
- Jack Albert Merchant
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Fuel injection system and method
- Patent number 12,123,383
- Issue date Oct 22, 2024
- Volvo Construction Equipment AB
- Magnus Bjurman
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Turbine fracturing system, controlling method thereof, controlling...
- Patent number 12,098,627
- Issue date Sep 24, 2024
- Yantai Jereh Petroleum Equipment & Technologies Co., Ltd.
- Zhuqing Mao
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Internal combustion engine and a method for operating such an inter...
- Patent number 12,085,030
- Issue date Sep 10, 2024
- INNIO Jenbacher GmbH & Co OG
- Wolfgang Fimml
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Systems and methods for pilot fuel synthesis using engine waste heat
- Patent number 12,078,115
- Issue date Sep 3, 2024
- Caterpillar Inc.
- Kenth I. Svensson
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Work vehicle power system with methane and hydrogen fuel blend
- Patent number 12,055,106
- Issue date Aug 6, 2024
- Deere & Company
- Danan Dou
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Dual fuel injection system for optimizing fuel usage and minimizing...
- Patent number 12,018,610
- Issue date Jun 25, 2024
- Dynamic Fuel Systems, Inc.
- Jeffrey R. Bach
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Systems and methods for pilot fuel synthesis
- Patent number 12,006,886
- Issue date Jun 11, 2024
- Caterpillar Inc.
- Ian Axel Lohrisch
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Fuel selection method and related system for a mobile asset
- Patent number 11,905,897
- Issue date Feb 20, 2024
- Transportation IP Holdings, LLC
- Shawn Gallagher
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Dual fuel selector switch
- Patent number 11,905,896
- Issue date Feb 20, 2024
- Champion Power Equipment, Inc.
- Mark J. Sarder
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Dual fuel lockout switch for generator engine
- Patent number 11,905,895
- Issue date Feb 20, 2024
- Champion Power Equipment, Inc.
- Mark J. Sarder
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Gaseous fuel engine system operating strategy including hydrogen fu...
- Patent number 11,891,962
- Issue date Feb 6, 2024
- Caterpillar Inc.
- Jaswinder Singh
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Fuel system for prime mover
- Patent number 11,885,269
- Issue date Jan 30, 2024
- Caterpillar Inc.
- Sagar Srivastava
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Dual fuel generator with remote regulator
- Patent number 11,840,970
- Issue date Dec 12, 2023
- Champion Power Equipment, Inc.
- Mark J. Sarder
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Use of hydrogen and liquid natural gas hybrid fuel in marine applic...
- Patent number 11,840,320
- Issue date Dec 12, 2023
- BLOOM ENERGY CORPORATION
- Martin Perry
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Systems, methods, and apparatus for operation of dual fuel engines
- Patent number 11,840,971
- Issue date Dec 12, 2023
- Cummins Inc.
- C. Larry Bruner
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Internal combustion engine comprising a methane-DME (natural gas-di...
- Patent number 11,788,481
- Issue date Oct 17, 2023
- MAN TRUCK & BUS SE
- Michael Bippes
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Dual fuel system with electric battery for power generation
- Patent number 11,781,495
- Issue date Oct 10, 2023
- Evan Whitney
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Dual fuel selector switch
- Patent number 11,761,390
- Issue date Sep 19, 2023
- Champion Power Equipment, Inc.
- Mark J. Sarder
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Apparatus and method for charging LPG fuel of bi-fuel vehicle
- Patent number 11,761,389
- Issue date Sep 19, 2023
- Hyundai Motor Company
- Chang Han Kim
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Fuel supply system for eco-friendly ship
- Patent number 11,731,750
- Issue date Aug 22, 2023
- Daewoo Shipbuilding & Marine Engineering Co., Ltd.
- Hyuk Kwon
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Turbine fracturing system, controlling method thereof, controlling...
- Patent number 11,702,917
- Issue date Jul 18, 2023
- Yantai Jereh Petroleum Equipment & Technologies Co., Ltd.
- Zhuqing Mao
- E21 - EARTH DRILLING MINING
Information Patent Grant
Work vehicle alcohol-based power system with on-board ether
- Patent number 11,635,039
- Issue date Apr 25, 2023
- Deere & Company
- Danan Dou
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Methods and systems for multi-fuel engine
- Patent number 11,619,183
- Issue date Apr 4, 2023
- Transportation IP Holdings, LLC
- Thomas Michael Lavertu
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Control system of electronic-controlled oil-gas dual fuel engine
- Patent number 11,603,804
- Issue date Mar 14, 2023
- Zichai Machinery Co., Ltd.
- Meng Huang
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Engine
- Patent number 11,598,272
- Issue date Mar 7, 2023
- Yanmar Power Technology Co., Inc.
- Masayoshi Doui
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Fuel module system
- Patent number 11,585,297
- Issue date Feb 21, 2023
- WORTHINGTON INDUSTRIES INC.
- James B. Rike
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
DUAL FUEL SELECTOR SWITCH
- Publication number 20250163860
- Publication date May 22, 2025
- Champion Power Equipment, Inc.
- Mark J. Sarder
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
ENGINE AND METHOD OF CONTROLLING ENGINE
- Publication number 20250154910
- Publication date May 15, 2025
- MITSUBISHI HEAVY INDUSTRIES ENGINE & TURBOCHARGER, LTD.
- Hiroyuki ENDO
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
DUAL FUEL LOCKOUT SWITCH FOR GENERATOR ENGINE
- Publication number 20250154911
- Publication date May 15, 2025
- Champion Power Equipment, Inc.
- Mark J. Sarder
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
DUAL FUEL SELECTOR SWITCH
- Publication number 20250154912
- Publication date May 15, 2025
- Champion Power Equipment, Inc.
- Mark J. Sarder
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
SYSTEMS, METHODS, AND APPARATUS FOR OPERATION OF DUAL FUEL ENGINES
- Publication number 20250146444
- Publication date May 8, 2025
- Cummins Inc.
- C. Larry Bruner
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
SYSTEM AND METHOD FOR CONTROLLING A FUEL SUPPLY SYSTEM
- Publication number 20250137411
- Publication date May 1, 2025
- VOLVO TRUCK CORPORATION
- Oscar Stjernberg
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
DIFFERENTIAL PRESSURE REGULATOR
- Publication number 20250130603
- Publication date Apr 24, 2025
- HPDI Technology Limited Partnership
- Alain Touchette
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
SYSTEM AND METHOD FOR CONTROLLING FUEL SUBSTITUTION IN A DUAL FUEL...
- Publication number 20250092836
- Publication date Mar 20, 2025
- Cummins Power Generation Inc.
- Axel O. zur Loye
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
FUEL SYSTEM FOR A SPARK IGNITION ENGINE
- Publication number 20250043740
- Publication date Feb 6, 2025
- FPT INDUSTRIAL S.P.A.
- Andrea GERINI
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
FUEL SUPPLY CONTROL DEVICE AND VEHICLE
- Publication number 20250003372
- Publication date Jan 2, 2025
- ISUZU MOTORS LIMITED
- Shinichiro KANEKO
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
INTERNAL COMBUSTION ENGINE AND A METHOD FOR OPERATING AN INTERNAL C...
- Publication number 20240360796
- Publication date Oct 31, 2024
- INNIO Jenbacher GmbH & Co OG
- Wolfgang Fimml
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
PRODUCTION PROCESS FOR HYDROGEN-ENRICHED SLUSH LNG FUEL AND DEVICE
- Publication number 20240247621
- Publication date Jul 25, 2024
- Heuy Dong KIM
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
DUAL FUEL LOCKOUT SWITCH FOR GENERATOR ENGINE
- Publication number 20240183319
- Publication date Jun 6, 2024
- Champion Power Equipment, Inc.
- Mark J. Sarder
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
DUAL FUEL SELECTOR SWITCH
- Publication number 20240183321
- Publication date Jun 6, 2024
- Champion Power Equipment, Inc.
- Mark J. Sarder
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
SYSTEMS, METHODS, AND APPARATUS FOR OPERATION OF DUAL FUEL ENGINES
- Publication number 20240084747
- Publication date Mar 14, 2024
- Cummins Inc.
- C. Larry Bruner
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Dual Fuel System with Electric Battery for Power Generation
- Publication number 20240035422
- Publication date Feb 1, 2024
- RV MOBILE POWER LLC
- Evan Whitney
- B60 - VEHICLES IN GENERAL
Information Patent Application
INTERNAL COMBUSTION ENGINE AND A METHOD FOR OPERATING SUCH AN INTER...
- Publication number 20230417201
- Publication date Dec 28, 2023
- INNIO Jenbacher GmbH & Co OG
- Wolfgang Fimml
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
WORK VEHICLE POWER SYSTEM WITH METHANE AND HYDROGEN FUEL BLEND
- Publication number 20230399988
- Publication date Dec 14, 2023
- Deere & Company
- Danan Dou
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Turbine Fracturing System, Controlling Method Thereof, Controlling...
- Publication number 20230358126
- Publication date Nov 9, 2023
- YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO., LTD.
- Zhuqing MAO
- E21 - EARTH DRILLING MINING
Information Patent Application
Stoichiometric High-Temperature Direct-Injection Compression-Igniti...
- Publication number 20230358161
- Publication date Nov 9, 2023
- Christopher F. Edwards
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
DUAL FUEL SELECTOR SWITCH
- Publication number 20230313747
- Publication date Oct 5, 2023
- Champion Power Equipment, Inc.
- Mark J. Sarder
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Dual Fuel System with Electric Battery for Power Generation
- Publication number 20230258138
- Publication date Aug 17, 2023
- RV Mobile Power, LLC
- Evan Whitney
- B60 - VEHICLES IN GENERAL
Information Patent Application
DUAL FUEL LOCKOUT SWITCH FOR GENERATOR ENGINE
- Publication number 20230235707
- Publication date Jul 27, 2023
- Champion Power Equipment, Inc.
- Mark J. Sarder
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
DUAL FUEL INJECTION SYSTEM FOR OPTIMIZING FUEL USAGE AND MINIMIZING...
- Publication number 20230175430
- Publication date Jun 8, 2023
- Dynamic Fuel Systems, Inc.
- Jeffrey R. Bach
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
OFF-BOARD FUEL REGULATOR FOR GENERATOR ENGINE
- Publication number 20230023142
- Publication date Jan 26, 2023
- Champion Power Equipment, Inc.
- Mark J. Sarder
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
SYSTEMS, METHODS, AND APPARATUS FOR OPERATION OF DUAL FUEL ENGINES
- Publication number 20220412276
- Publication date Dec 29, 2022
- Cummins Inc.
- C. Larry Bruner
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
TURBINE FRACTURING SYSTEM, CONTROLLING METHOD THEREOF, CONTROLLING...
- Publication number 20220389799
- Publication date Dec 8, 2022
- YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO., LTD.
- Zhuqing MAO
- E21 - EARTH DRILLING MINING
Information Patent Application
CONTROL SYSTEM OF ELECTRONIC-CONTROLLED OIL-GAS DUAL FUEL ENGINE
- Publication number 20220364518
- Publication date Nov 17, 2022
- Zichai Machinery Co., Ltd.
- Meng Huang
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
APPARATUS AND METHOD FOR CHARGING LPG FUEL OF BI-FUEL VEHICLE
- Publication number 20220298980
- Publication date Sep 22, 2022
- Hyundai Motor Company
- Chang Han KIM
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
INTERNAL COMBUSTION ENGINE COMPRISING A METHANE-DME (NATURAL GAS-DI...
- Publication number 20220290623
- Publication date Sep 15, 2022
- MAN Truck & Bus SE
- Michael Bippes
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

the gaseous fuel being liquefied petroleum gas [LPG], liquefied natural gas [LNG], compressed natural gas [CNG] or dimethyl ether [DME]

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Systems, methods, and apparatus for operation of dual fuel engines

Fuel gas valve applicable to natural gas and liquefied petroleum gas

Stoichiometric high-temperature direct-injection compression-igniti...

Valve cover assembly for internal combustion engine

Fuel injection system and method

Turbine fracturing system, controlling method thereof, controlling...

Internal combustion engine and a method for operating such an inter...

Systems and methods for pilot fuel synthesis using engine waste heat

Work vehicle power system with methane and hydrogen fuel blend

Dual fuel injection system for optimizing fuel usage and minimizing...

Systems and methods for pilot fuel synthesis

Fuel selection method and related system for a mobile asset

Dual fuel selector switch

Dual fuel lockout switch for generator engine

Gaseous fuel engine system operating strategy including hydrogen fu...

Fuel system for prime mover

Dual fuel generator with remote regulator

Use of hydrogen and liquid natural gas hybrid fuel in marine applic...

Systems, methods, and apparatus for operation of dual fuel engines

Internal combustion engine comprising a methane-DME (natural gas-di...

Dual fuel system with electric battery for power generation

Dual fuel selector switch

Apparatus and method for charging LPG fuel of bi-fuel vehicle

Fuel supply system for eco-friendly ship

Turbine fracturing system, controlling method thereof, controlling...

Work vehicle alcohol-based power system with on-board ether

Methods and systems for multi-fuel engine

Control system of electronic-controlled oil-gas dual fuel engine

Engine

Fuel module system

Patents Applicationslast 30 patents

DUAL FUEL SELECTOR SWITCH

ENGINE AND METHOD OF CONTROLLING ENGINE

DUAL FUEL LOCKOUT SWITCH FOR GENERATOR ENGINE

DUAL FUEL SELECTOR SWITCH

SYSTEMS, METHODS, AND APPARATUS FOR OPERATION OF DUAL FUEL ENGINES

SYSTEM AND METHOD FOR CONTROLLING A FUEL SUPPLY SYSTEM

DIFFERENTIAL PRESSURE REGULATOR

SYSTEM AND METHOD FOR CONTROLLING FUEL SUBSTITUTION IN A DUAL FUEL...

FUEL SYSTEM FOR A SPARK IGNITION ENGINE

FUEL SUPPLY CONTROL DEVICE AND VEHICLE

INTERNAL COMBUSTION ENGINE AND A METHOD FOR OPERATING AN INTERNAL C...

PRODUCTION PROCESS FOR HYDROGEN-ENRICHED SLUSH LNG FUEL AND DEVICE

DUAL FUEL LOCKOUT SWITCH FOR GENERATOR ENGINE

DUAL FUEL SELECTOR SWITCH

SYSTEMS, METHODS, AND APPARATUS FOR OPERATION OF DUAL FUEL ENGINES

Dual Fuel System with Electric Battery for Power Generation

INTERNAL COMBUSTION ENGINE AND A METHOD FOR OPERATING SUCH AN INTER...

WORK VEHICLE POWER SYSTEM WITH METHANE AND HYDROGEN FUEL BLEND

Turbine Fracturing System, Controlling Method Thereof, Controlling...

Stoichiometric High-Temperature Direct-Injection Compression-Igniti...

DUAL FUEL SELECTOR SWITCH

Dual Fuel System with Electric Battery for Power Generation

DUAL FUEL LOCKOUT SWITCH FOR GENERATOR ENGINE

DUAL FUEL INJECTION SYSTEM FOR OPTIMIZING FUEL USAGE AND MINIMIZING...

OFF-BOARD FUEL REGULATOR FOR GENERATOR ENGINE

SYSTEMS, METHODS, AND APPARATUS FOR OPERATION OF DUAL FUEL ENGINES

TURBINE FRACTURING SYSTEM, CONTROLLING METHOD THEREOF, CONTROLLING...

CONTROL SYSTEM OF ELECTRONIC-CONTROLLED OIL-GAS DUAL FUEL ENGINE

APPARATUS AND METHOD FOR CHARGING LPG FUEL OF BI-FUEL VEHICLE

INTERNAL COMBUSTION ENGINE COMPRISING A METHANE-DME (NATURAL GAS-DI...