Quote:
Originally Posted by jesse.rizzo
Welcome to ecomodder. In answer to the last question of your post, newer cars have safety requirements that add weight, and emissions requirements that also lower efficiency. In addition, people seem to every year demand a bigger car with a bigger engine, and auto makers give them what they want, until very recently that is.
As for your current car, have you read the 100+ hypermiling tips. The easiest biggest change you can make to your car is how you drive it.
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I haven't seen the numbers so forgive me if I am completely wrong, but does it make sense to reduce mileage to cut emissions? If cutting emissions results in more fuel usage, isn't that counter productive?
Now the increase in weight might claim the lion's share of the reduction in fuel mileage and the emission controls effect on fuel mileage is much smaller than the benefit. I don't know.
It would be interesting to see how much emission controls hurt, if any, fuel mileage.