Green Car Congress

APRIL 22, 2011

A study by researchers at the University of Texas found that in general, use of plug-in hybrid electric vehicles (PHEVs) can lead to an increase in ozone during nighttime hours (due to decreased scavenging from both vehicles and EGU stacks) and a decrease in ozone during daytime hours.

Ozone 218

Ozone PHEV Texas San Antonio 218

Green Car Congress

SEPTEMBER 19, 2019

The action finalizes parts of the SAFE Vehicles Rule that was first proposed on 2 August 2018. 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. Earlier post.)

Fuel Economy 220

Fuel Economy EPA Economy Fuel 220

Green Car Congress

AUGUST 16, 2016

The US Environmental Protection Agency (EPA) and the US Department of Transportation’s National Highway Traffic Safety Administration (NHTSA) jointly released the finalized Phase 2 greenhouse gas and fuel efficiency standards for medium- and heavy-duty trucks. California to keep pushing for more stringent regulations.

EPA 150

EPA Fuel Standards Emissions 150

Green Car Congress

FEBRUARY 11, 2014

Many of the strategies employed to reduce GHG emissions will also work to meet the national ambient air quality standard for ozone in 2032. Major transportation related policies already in place are: The Low Carbon Fuel Standard (LCFS). —Draft Scoping Plan Update. —Draft Scoping Plan Update.

Transportation 273

Transportation Emissions California Ozone 273

Cars That Think

AUGUST 16, 2021

Meanwhile, environmentalists were voicing concern—about how noisy such aircraft are taking off, about the possibility that their high-altitude emissions would erode the ozone layer, and about how disruptive the sonic booms would be. The last of these issues was perhaps the most vexing, prompting the U.S. Environmental Protection Agency.

Oklahoma City 106

Oklahoma City Ozone Oklahoma Fuel 106