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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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DeltaWing to develop GT race car concept; step toward street-legal DeltaWing sports car

Green Car Congress

The racer will be designed to demonstrate that with far less horsepower than many of today’s best sports cars, a two-seat performance car based on the DeltaWing architecture would deliver the same performance, yet with previously unattained fuel economy and efficiency. Earlier post.).

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U-M study finds current CAFE standards create profit incentive for larger vehicles

Green Car Congress

The current vehicle footprint-based Corporate Average Fuel Economy (CAFE) standards create a financial incentive for automakers to increase vehicle size, except under certain limited conditions of consumer preference for vehicle size, according to a study by University of Michigan researchers Kate Whitefoot and Steven Skerlos.

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Final US mpg rules through 2031 go easy on gas trucks, SUVs

Baua Electric

The federal government on Friday revealed vehicle efficiency standards for 2027-2031 that improve the fleet fuel efficiency of new cars and trucks—slightly. They follow EPA rules set in March, and those keep to a familiar framework, breaking vehicle targets down into designated “footprints,” as well as passenger cars versus light trucks.

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California Air Resources Board rejects Volkswagen Group recall plan for 3.0-liter diesel passenger cars

Green Car Congress

CARB said it, in conjunction with EPA, will continue the on-going technical discussions with the companies through the enforcement process to ensure a legally and technically acceptable resolution is reached which fully mitigates the excess emissions. In letters to Volkswagen/Audi and Porsche , ARB staff detailed the issues.

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DOT announces $22.5M in latest round of low or no emissions bus deployment (LoNo) funding

Green Car Congress

The LoNo Program is a capital program focused on deploying new low- or no-emission production buses that are market-ready or near market-ready; i.e., it is not a program for designing and developing prototypes. Hydrogen fuel-cell and battery-electric buses qualify as zero-emission. Earlier post.).

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