Green Car Congress

NOVEMBER 26, 2014

EPA last updated these standards in 2008, setting them at 75 ppb. Ground-level ozone forms in the atmosphere when emissions of nitrogen oxides and volatile organic compounds “cook” in the sun from sources such as cars, trucks, buses, industries, power plants and certain fumes from fuels, solvents and paints. Emissions Regulations'

Ozone 273

Ozone EPA Standards 2015 273

Green Car Congress

NOVEMBER 21, 2013

When we spoke to customers interesting in driving a hydrogen fuel cell vehicle, many wondered what the cost of hydrogen would be. To achieve societal goals of significant reduction in greenhouse gas emissions, more and more consumers will need to drive zero-emissions vehicles. This includes unlimited free hydrogen refueling.

Tucson 324

Tucson Honda Hyundai Concept 324

Green Car Congress

MAY 19, 2010

Illustration of the representative US cumulative GHG emissions budget targets:170 and 200 Gt CO2-eq (for Kyoto gases). However, the report warns, the longer the nation waits to begin reducing emissions, the harder and more expensive it will likely be to reach any given emissions target. Source: NRC. Click to enlarge.

Climate Change 199

Climate Change Carbon Climate Emissions 199