Green Car Congress

NOVEMBER 17, 2009

A University of Utah engineer has developed an inexpensive new method to remove oil sheen by repeatedly pressurizing and depressurizing ozone gas, creating microscopic bubbles that attack the oil so it can be removed by sand filters. The ozone in the bubble attacks certain pollutants because it is a strong oxidant.

Ozone 199

Ozone Water Oil-Sands Oil 199

Green Car Congress

FEBRUARY 16, 2018

Consumer products such as shampoo, cleaning products and paint now contribute as much to emitted volatile organic compounds (VOCs) in cities as tailpipe emissions from vehicles, according to a new study led by NOAA. Gasoline is stored in closed, hopefully airtight, containers and the VOCs in gasoline are burned for energy.

Pollution 264

Pollution Transportation Production Los Angeles 264

Green Car Congress

MAY 1, 2018

They found that levels of pollutants that can contribute to the formation of ground-level ozone, or smog, have failed to continue a fairly steady decline as estimated by the US Environmental Protection Agency. These results show that meeting future air quality standards for ozone pollution will be more challenging than previously thought.

Emissions 150

Emissions Ozone Pollution EPA 150

Green Car Congress

JULY 28, 2012

Ethanol is emitted to the atmosphere by both natural and anthropogenic processes; examples of the latter include industrial processes, biomass combustion and use as a biofuel mixed with gasoline. Acetaldehyde is classified as a hazardous air pollutants (HAP) regulated under Title III of the Clean Air Act Amendments. Click to enlarge.

North America 240

North America America Emissions Fuel 240