EPA proposes tougher mileage standards for trucks (to prevent global warming)

The Obama administration is issuing new rules intended to improve fuel efficiency for medium and heavy-duty trucks and cut pollution blamed for global warming. The Environmental Protection Agency issued new rules that would lower carbon dioxide emissions from trucks and vans by 24 percent by 2027. It would cut fuel costs by about $170 billion and reduce oil consumption by up to 1.8 billion barrels over the lifetime of vehicles sold under the rule.


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WUWT: Dr. Vincent Gray on historical carbon dioxide levels

There are two gases in the earth’s atmosphere without which living organisms could not exist. ✧ Oxygen is the most abundant, 21% by volume, but without carbon dioxide, which is currently only about 0.04 percent (400ppm) by volume, both the oxygen itself, and most living organisms on earth could not exist at all. ✧ This happened when the more complex of the two living cells (called “eukaryote”) evolved a process called a “chloroplast” some 3 billion years ago, which utilized a chemical called chlorophyll to capture energy from the sun and convert carbon dioxide and nitrogen into a range of chemical compounds and structural polymers by photosynthesis. These substances provide all the food required by the organisms not endowed with a chloroplast organelle in their cells. ✧ This process also produced all of the oxygen in the atmosphere. ✧ The relative proportions of carbon dioxide and oxygen have varied very widely over the geological ages.

Read More (with charts): Watts Up With That?

I'm guessing they don't teach this stuff in school. Shameful, if not. --bc Read More......

Whoa Nellie, if CO2 is designated a pollutant by the EPA!

E.P.A. Expected to Act in Regulating Carbon Dioxide. “If the environmental agency determines that carbon dioxide is a dangerous pollutant to be regulated under the Clean Air Act, it would set off one of the most extensive regulatory rule makings in history.” --Instapundit Read More......