Remove Conversion Remove Cost Of Remove Diesel Remove Fuel Economy
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Cummins progressing with lightweight downsized T2B2 diesel for pickup; 40% improvement in fuel economy over gasoline V8

Green Car Congress

At the US Department of Energy’s (DOE’s) Annual Merit Review meeting in Washington, DC last week, Michael Ruth from Cummins noted that the DOE program target for the project is a fuel economy (CAFE) target of 26 mpg (9.05 Cost of the new engine relative to gasoline baseline. Earlier post.). l/100 km) for a vehicle of that size.

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ICCT working paper highlights benefits of current and emerging light-duty diesel technology; “promising pathway for compliance”

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The International Council on Clean Transportation (ICCT), one of the organizations at the root of uncovering the Volkswagen diesel emission scandal ( earlier post ), has published a new analysis of developments and trends in advanced diesel engine technology. —Isenstadt and German (2017). Background.

Diesel 186
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MECA report finds additional NOx emission reductions from new heavy-duty trucks achievable and cost-effective

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CO 2 and NO x certification test data for heavy-duty diesel engines certified from 2002 through 2019. —“Technology Feasibility for Heavy-Duty Diesel Trucks in Achieving 90% Lower NO x Standards in 2027”. Source of data: US EPA (2019). Chart: MECA.

Emissions 291
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Audi survey finds more than half of US drivers would support government initiative to spur diesel vehicle sales

Green Car Congress

A poll conducted online by Harris Interactive on behalf of Audi of America found that a majority of American drivers would support government initiatives aimed at spurring clean diesel vehicle sales in the US. But, we argue that diesel needs an even playing field set by state and federal governments. We need to level the playing field.

Audi 246
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President Biden calls on Congress, States for fuel tax holiday; increase in refinery capacity

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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. Other important suppliers to the US.,

Congress 259
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ORNL study finds best current use of natural gas for cars is efficient production of electricity for EVs

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However, they also noted, high PTW efficiencies and the moderate fuel economies of current compressed natural gas vehicles (CNGVs) make them a viable option as well. The study investigated the the WTW energy and emissions from the use of natural gas in CNGVs with a range of CNGV fuel economy and natural gas compressor efficiency.

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

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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.

Gas 240