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Load-control strategies for ammonia-hydrogen dual-fuel engine for hybrid power systems

Green Car Congress

In the 1960s, the researchers noted, GM studied the performance of ammonia combustion engines and found them to be significantly less thermally efficient than gasoline-fueled engines. The engine—a Miller cycle engine with a compression ratio of 10.7—was 2023.128396

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EV drivers returning to ICE, GM-powered electric RV, Nissan cyberpunk EV: Today’s Car News

Green Car Reports

An electric RV is grounded on GM’s Ultium platform. And why are more drivers of non-Tesla EVs returning to gasoline models? Nissan shows an electric coupe concept with a creative cyberpunk edge, just as the Cybertruck gets a delivery date of November 30. This and more, here at Green Car Reports.

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Hertz to order up to 175,000 EVs from GM over the next five years

Green Car Congress

Hertz and GM believe this plan is the largest expansion of EVs among fleet customers and the broadest because it spans a wide range of vehicle categories and price points—from compact and midsize SUVs to pickups, luxury vehicles and more. GM plans annual production capacity of 1 million EVs in North America by 2025.

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Achates Power and Aramco Services Company partner on opposed-piston engine projects; Opposed-Piston Gasoline Compression Ignition (OPGCI)

Green Car Congress

Achates Power, Inc. The first result of this agreement is the demonstration vehicle that will be shown at the 2018 North American International Auto Show (NAIAS): a light-duty truck with an Opposed-Piston Gasoline Compression Ignition (OPGCI) Engine. Achates Power 2.7L Earlier post.). Click to enlarge. liter, 3-cylinder (i.e.,

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IHS Markit: GM announcement latest sign that peak gasoline demand from light vehicles has already come and gone

Green Car Congress

IHS Markit places the global peak for oil demand (gasoline and diesel) from LVs in 2019 when the demand averaged 29.1 The GM announcement is a notable signpost on the road to decarbonization of road transportation. The GM announcement is the latest piece in a much larger story. million barrels per day (MMb/d).

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GM to invest $233M more in building Ecotec small-displacement gasoline engines

Green Car Congress

General Motors will invest $185 million to make small-displacement gasoline engines at its Spring Hill, Tennessee manufacturing complex. —including turbocharged versions—and power ratings ranging from 75 horsepower (56 kW) to 165 horsepower (123 kW), and torque ranging from 70 lb-ft (95 N·m) to 184 lb-ft (250 N·m).

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GM to introduce CNG-gasoline bi-fuel Chevrolet Impala in US next summer

Green Car Congress

General Motors will build a Chevrolet Impala sedan for retail and fleet customers that operates on either gasoline or compressed natural gas (CNG), GM Chairman and CEO Dan Akerson announced today. CNG vehicles typically have 20% fewer greenhouse gas emissions than gasoline-powered cars, according to the California Air Resources Board.

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