Quote:
Originally Posted by IndyIan
Stay in the highest gear you can, using around 50% thottle without lugging the engine.
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Works for me. Sometimes I can even get better mpg by going faster so I can stay in the higher gear. Of course this is going to depend on your car (mine's a Insight) and the particular hills you have to climb. AFAIK the only way to tell what a particular car will do, short of getting a BSFC plot and doing some calculations, is just to experiment. Try different ways, see what does best.