Cars

Do electric cars produce less CO2 given that the electricity they consume is from a fossil fuel electricity grid?

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Have you ever checked your real MPG with the figures quoted by car manufacturers - do they match?

 12801

Calculate your real MPG and and compare it with manufacturer data.

 16691

What uses the most energy walking or driving?

 9164

With the current high fuel prices, even a relatively small improvement in your MPG can save you money...

 53382