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November 23rd, 2008
EarthTalk: Which Is More Eco-Friendly – Driving Or Flying?
Dear EarthTalk: How can I determine if it is more eco-friendly to fly or drive somewhere?
The simple answer is that driving in a relatively fuel efficient car (25-30 miles per gallon) usually generates fewer greenhouse gas emissions than flying. In assessing the global warming impact of a trip from Philadelphia to Boston (about 300 [...]
