California Climate Fuel Economy Light 
Green Car Congress
SEPTEMBER 19, 2019
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.)
Green Car Congress
APRIL 27, 2021
Whether the SAFE-1 interpretation of the CAA that enabled EPA to withdraw California’s waiver was appropriate. Whether the SAFE-1 interpretation of CAA section 177 that could disallow other states’ ability to adopt California GHG emission standards was appropriate. Earlier post.). EPA plans to propose this rule in July 2021.
Green Car Congress
SEPTEMBER 27, 2017
An analysis by a team from the University of California, Davis, MIT and Yale suggests that households that buy a fuel-efficient vehicle tend to compensate for that purchase by buying a bigger, more powerful second vehicle. This unintended effect could erode goals of fuel economy standard policies by up to 60%.
Green Car Congress
APRIL 2, 2018
The US Environmental Protection Agency (EPA) Administrator Scott Pruitt announced the completion of the Midterm Evaluation (MTE) process for the greenhouse gas (GHG) emissions standards for cars and light trucks for model years 2022-2025, and his final determination that the current standards are not appropriate and should be revised.
Green Car Congress
JANUARY 28, 2014
The “Pathways to Near-Zero-Emission Natural Gas Heavy Duty Vehicles” report, authored by GNA on behalf of Southern California Gas Co. California policy makers face challenges in devising a pathway that can simultaneously help the state achieve NO x and GHG reduction targets. Background. Click to enlarge. Click to enlarge.
Green Car Congress
MARCH 7, 2018
The California Air Resource Board (CARB) is awarding $7 million to CALSTART to develop a Class 8 truck that will achieve a 90% reduction in NO x along with a 15-20% fuel efficiency improvement. California’s ultra-low NO x emissions standard is 0.02 We also deliver a significant fuel economy improvement.
Green Car Congress
MARCH 15, 2017
EPA Administrator Scott Pruitt and Department of Transportation Secretary Elaine Chao announced that EPA intends to reconsider its final determination issued on 12 January 2017 which recommended no change to the greenhouse gas standards for light duty vehicles for model years 2022- 2025. Earlier post.) Background.
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