Trump administration rolls back Biden-era fuel economy standards
Regulators estimate the new rule will result in an average of 34.9 miles per gallon by model year 2031, down from an earlier projection of 50.4 mpg.
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Regulators estimate the new rule will result in an average of 34.9 miles per gallon by model year 2031, down from an earlier projection of 50.4 mpg.
The EPA has decided to revoke a key scientific finding it published 16 years ago that six greenhouse gases are a threat to public health.
U.S. officials announced a $1.6 billion deal with Toyota's Hino Motors unit to settle charges it deceived regulators about the amount of emissions spewed by its diesel engines.
The federal government announced a $241.5 million settlement with Marathon Oil on Thursday for alleged air quality violations.
Climeworks, a Swiss pioneer in the fast-growing field of CO2 capture and storage, launches operations at a new site on a dormant volcano.
Tires emit huge volumes of particles and chemicals as they roll along the highway, and researchers are only beginning to understand the threat. One byproduct of tire use, 6PPD-q, is in regulators' crosshairs after it was found to be killing fish.
Engine maker Cummins agreed to pay a $1.675 billion penalty and spend more than $325 million to remedy emissions violations.
"Climate change is here. It is terrifying. And it is just the beginning," U.N. Secretary-General Antonio Guterres said.
