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

Green Car Congress

This action is based on the premise that federal law preempts state and local tailpipe greenhouse gas (GHG) emissions standards as well as zero emission vehicle (ZEV) mandates. California’s ability to enforce its Low Emission Vehicle program and other clean air standards to address harmful smog-forming vehicle emissions—i.e.,

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

Green Car Congress

FCA US has reached final settlements on civil, environmental and consumer claims with US federal and state agencies as well as private class actions to resolve differences over diesel emissions requirements. The software reflash does not affect average fuel economy, drivability, durability or refinement of the vehicles. .

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

Green Car Congress

Huff Fuels, Engines and Emissions Research Center, Oak Ridge National Laboratory. 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

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CARB fines major online automotive parts retailer $1M for selling illegal aftermarket parts in California; ~4,000 emissions violations

Green Car Congress

CARB investigators discovered that AutoAnything, a major online retailer, advertised and sold performance parts that modified emissions components, ultimately committing approximately 4,000 violations between 2012 and 2015. These products can reduce fuel economy and increase emissions.

Parts 191
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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. Enzymes Fuel Efficiency Motorsport Weight reduction'

Legal 150
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Ricardo developing advanced simultation capability for IMPERIUM project for HD emissions reductions

Green Car Congress

Current state-of-the-art heavy duty diesel engines are both highly efficient and offer low emissions. However, in real-world driving, fuel efficiency and emissions aftertreatment technologies interact with each other and also vary according to the vehicle application, its prevailing operating conditions and its mission.

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