emissions

GM is among several full-line automakers appearing to rally most egregiously for more permitted tailpipe pollution, while preaching of EVs as the future.

EVs reduce global warming emissions, but that and the phasing-out of fossil fuels may be far less important to Republicans than Democrats.

Diesel defeat devices from the company enabled far greater emissions in trucks, and they were illegally sold over the course of nearly 10 years.

A 2% annual improvement in fuel efficiency is in the cards for passenger cars, and a 4% yearly improvement for light trucks.

Maps' efficiency-focused routing has prevented 1.2 million metric tons of estimated carbon emissions, Google claims in its latest environmental report.

As people shift to EVs, wiper fluid will become a bigger portion of the greenhouse-gas emissions—and in-use carbon footprint—associated with cars.

Rupert Stadler allegedly admitted culpability in keeping affected diesel vehicles on sale after news of the scandal broke in late 2015.

The 50-49 vote rescinds stricter standards for emissions from heavy-duty trucks—although a veto could revive their implementation.

So-called "gasoline-burdened families" are paying a huge portion of their income toward gas vehicles and could greatly benefit from a switch to EVs.

EVs aren't mandated by the set of rules proposed by the EPA Wednesday, but they will almost certainly offer the easiest path to compliance under extremely strict new requirements.

The EU has added an allowance for cars burning e-fuels, in the face of German opposition.

Globally, combustion vehicle sales show no return to levels reached in 2017—and because of the turnover of the fleet, peak oil demand will follow in 2027, according to a recent report.

And electric SUVs don't solve the problem. Additional CO2 emissions from SUVs in 2022 overshadowed the increased sales of electric vehicles.

Tires and brakes are the source of 52% of road-vehicle particulate emissions, say researchers.

In an unusual instance of industry speaking up for stronger regulations, a handful of automakers are testifying with California.

Enforcement for any polluters will take the form of California's DMV denying new registrations to non-compliant vehicles, auditing, and issuing fines.

The EPA has enacted standards taking effect for the 2027 model year, applying to heavy-duty trucks, buses, and vans. But in some respects they're weaker than what California has drafted.

A proposal from the EPA for 2023-2025 may result in wider production and use of ethanol, but it also may help utilities produce cleaner energy for EVs.

Russia's invasion of Ukraine and the resulting economic uncertainties have accelerated the timeline—leading to more spending on renewables, cleaner EVs, and a "historic turning point," the authority anticipates.

The program offers $3,000 to Vermont residents who retire an operational vehicle deemed to be high-polluting that is at least 10 years old, and switch to a new or used EV.