Remove Building Remove Cost Of Remove Diesel Remove Fuel Economy
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In-use emissions report for Achates heavy-duty OP diesel shows substantial margin to most stringent EPA NOx proposed regulation

Green Car Congress

Achates Power has released initial in-use NO x measurements from the cleaner, heavy-duty diesel engine it developed in a project funded by the California Air Resources Board (CARB) and several partners. heavy-duty opposed-piston engine demonstrated NO x emissions control far better than other diesel engines we have tested.

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Obama Administration announces first fuel economy and GHG standards for medium- and heavy-duty vehicles

Green Car Congress

For purposes of the new HD National Program, the heavy-duty fleet incorporates all on-road vehicles rated at a gross vehicle weight at or above 8,500 pounds, and the engines that power them, except those covered by the current GHG emissions and Corporate Average Fuel Economy standards for model year 2012-2016 passenger vehicles.

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President Biden calls on Congress, States for fuel tax holiday; increase in refinery capacity

Green Car Congress

President Biden called on Congress to suspend the federal gas tax for the next 90 days, through the busy summer driving season—18 cents per gallon for gasoline and 24 cents per gallon for diesel. The average price of US on-highway diesel was $5.718 per gallon, up $2.432 from a year ago.

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Wärtsilä launches 31SG pure gas engine for marine applications; suited for hybrid systems

Green Car Congress

The 31SG is based on the successful Wärtsilä 31 product platform; the diesel version of the engine has been recognized by Guinness World Records as being the world’s most efficient 4-stroke diesel engine. The launch of the Wärtsilä 31SG introduces a 4-stroke engine having the best fuel economy of any engine in its class.

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Progress on ATLAS: Cummins’ Tier 2 Bin 2 light duty diesel project

Green Car Congress

Cummins is one year into a four year program (ATLAS, Advanced Technology Light Automotive Systems) to develop, in partnership with the US Department of Energy (DOE), a new light-duty diesel truck engine that will meet Tier 2 Bin 2 (SULEV) emission requirements while achieving at least a 40% fuel economy improvement (26.1

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National Research Council Report Explores Improving Fuel Economy of Medium- and Heavy-Duty Vehicles; Recommends Immediately Beginning Developing a Regulatory Approach

Green Car Congress

The National Research Council has released a prepublication edition of a new congressionally mandated report that evaluates various technologies and methods that could improve the fuel economy of medium- and heavy-duty vehicles (MHDVs), such as tractor-trailers, transit buses, and work trucks.

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Cummins developing 15-liter on-highway natural gas engine; latest EcoFit technologies at MATS

Green Car Congress

As natural gas production grows in North America and the fuel becomes more readily available, Cummins believes that there is a strong market for engines powered by an alternative to diesel fuel. SEGR combustion also improves power density and fuel economy vs. lean burn and traditional stoichiometric engines.

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