Green Car Congress

JULY 18, 2010

Researchers at the University of Colorado, Boulder and the National Renewable Energy Laboratory (NREL) modeled the emissions impact had plug-in hybrid electric vehicles (PHEVs) replaced light duty gasoline vehicles in the Denver, Colorado area in summer 2006. Ozone concentration increases were modeled for small areas near central Denver.

Denver 170

Denver Ozone PHEV Colorado 170

The Truth About Cars

JUNE 12, 2023

Finally, in a Denver-area boneyard , I found this battered '93 GXE sedan. Only the Stanza Altima GLE came with an automatic transmission as standard equipment for 1993; a five-speed manual was the base transmission for the lesser trim levels and the optional automatic added $825 ($1,755 today) to the cost of those cars.

Nissan 98

Nissan Carbon Fiber Denver Ozone 98

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.

Oklahoma City 124

Oklahoma City Ozone Oklahoma Fuel 124