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EPA, NHTSA issue One National Program Rule; EPA withdraws CA waiver for GHG and fuel economy

Green Car Congress

Specifically, in this action, NHTSA is affirming that its statutory authority to set nationally applicable fuel economy standards under the express preemption provisions of the Energy Policy and Conservation Act (EPCA) dictates that such state and local programs are preempted. Earlier post.)

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ORNL researchers quantify the effect of increasing highway speed on fuel economy

Green Car Congress

This website, jointly maintained by the US Department of Energy and the US Environmental Protection Agency (EPA), provides information such as official EPA “window label” fuel economy estimates for city, highway, and combined driving for all U.S.-legal legal light-duty vehicles from 1984 to present. Speed increase.

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Aluminum industry says NHTSA/EPA draft rule assumptions on lightweighting in small cars false

Green Car Congress

Automakers are not reducing the weight of small cars, but instead are prioritizing weight reductions where it offers the most promise to boost fuel economy and reduce emissions—their larger, heavier cars and trucks. Long term regulatory certainty to enable appropriate investment. —Mario Greco.

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Hagens Berman files class-action fuel economy and emissions lawsuit against Fiat Chrysler and Cummins over SCR defect in RAM 2500 and 3500 diesels

Green Car Congress

The defect leads to lower fuel economy, non EPA-compliant emissions levels, and costly and frequent vehicle repairs, the complaint charges. When the SCR system breaks down, the filter gets clogged, requiring more fuel to be injected to burn it off, according to the complaint.

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Study concludes that automakers tweak vehicle fuel economy to qualify for more favorable treatment; focus on car notches

Green Car Congress

In response to federal policies to boost gas mileage, manufacturers have changed vehicle weights, improved tire-rolling resistance and added aerodynamic features to push fuel-economy rates past government-mandated thresholds. mpg and 22.4 mpg) that lead to large changes in tax liability or the amount of a subsidy. mpg US (12.7

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EPA deadline, BMW electric reality check, Mustang hybrid tease: Today's Car News

Green Car Reports

If you have a strong position regarding the EPA's proposal to freeze fuel economy standards at 2020 levels through 2026, speak out. Tomorrow is the deadline for making public comments that are part of the legal record.

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FCA US reaches settlements on diesel emissions at estimated cost of $800M

Green Car Congress

Environmental Protection Agency (EPA), U.S. The software reflash does not affect average fuel economy, drivability, durability or refinement of the vehicles. Environmental Protection Agency (EPA), U.S. Environmental Protection Agency (EPA) performed enhanced screening on diesel vehicles sold by all manufacturers.

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