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Efficient air conditioning could potentially save billions of gallons of gas

The U.S. Department of Transportation and National Renewable Energy Lab (NREL) are hard at work developing new ways to make the air conditioners more efficient and reduce the interior tempteratures in our cars and trucks. What's the big deal? Apparently, a whopping seven billion gallons of gasoline are used each and every year in the United States alone to run automotive AC units, which represents 5.5-percent of the country's fuel use. Burning that fuel emits more than 58 metric tons of carbon dioxide into the atmosphere. Surely, then, ... Read more →

EU calls for new eco-friendly air conditioners by 2011 Jeremy Korzeniewski

Following a directive first created back in 2006, the European Union has passed down a ruling that would force European automakers to find a new refrigerant to use in their vehicle's air ...

Automakers work on sustainable air conditioning Jeremy Korzeniewski

It wasn't all that long ago that the auto industry was under fire for its use of ozone-depleting chemicals in its air conditioning systems. To curb those fears, the older R-12 refrigerant was ...

Are high gas prices making your car sick? Jeremy Korzeniewski

While "sick car syndrome" has been known about for quite some time now, the recent rise in gas prices may be causing a resurgence of sorts to the odd but mostly preventable issue. The cause of the ...

Mobile Air Conditioning Society Worldwide: recycle your refrigerant Jeremy Korzeniewski

Even though the older types of refrigerant like Dichlorodifluoromethane (R-12) have been replaced with newer types like Tetrafluoroethane (R-134a), your car's air conditioning system could still be ...

Mythbusters' mistakes in AC vs windows down episode 2 years ago on Autoblog Green

Recently, I wrote an article on the debate; do you get better mileage with AC on and windows up or AC off and windows down? A comment in the article said a Mythbusters episode found you could get better mileage with AC off and windows down. The way Mythbusters tackled the myth in that episode was ...

Gas saving myth: Turn off your AC? 2 years ago on Autoblog Green

Fueleconomy.gov says "operating the air conditioner on 'Max' can reduce MPG by roughly 5-25 percent compared to not using it." Consumer Reports and Edmunds.com says you will lose 1 MPG. That's the low end of the government estimate of 5 percent if you have a car that does 20 MPG. Is it fair to call ...


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