Transportation Secretary Sean Duffy says Biden-era fuel economy standards for gas-guzzling cars and trucks are illegal and ...

Energy & Environment Energy & Environment   The Big Story Trump goes after Biden car efficiency rulesThe Trump administration ...

The Transportation Department paved the way for looser U.S fuel economy standards on Friday by declaring that former ...

The Transportation Department said former President Joe Biden's CAFE standards exceeded the government's legal authority by including electric vehicles.

The Trump administration today finalized a rule indicating it would no longer enforce the nation’s fuel economy standards for passenger vehicles and for la ...

The mandate that the DoT challenged was a key part of former President Joe Biden’s plan to address climate change.

U.S. Senate Republicans on Thursday proposed eliminating fines for failures to meet Corporate Average Fuel Economy rules as part of a wide-ranging tax bill - the latest move aimed at making it easier ...

Fuel economy varies depending on the vehicle's tire design, transmission structure, and engine, according to Wikipedia and the MIT School of Engineering. Fuel efficiency measures the effort ...

First, the engine’s punchy nature means you don’t need to wring its neck when making progress, thereby reducing wide open throttle openings and aiding fuel economy. Second, Hero’s i3s start ...

WASHINGTON, May 19 (Reuters) - The U.S. Transportation Department is expected to declare that fuel economy rules issued under then President Joe Biden exceeded the government's legal authority by ...

Welcome to Car and Driver's Testing Hub, where we zoom in on the test numbers. We've been pushing vehicles to their limits since 1956 to provide objective data to bolster our subjective ...

The U.S. Transportation Department is getting ready to declare that fuel economy rules established under the Biden administration overstepped legal bounds by factoring electric vehicles into the ...