Michael Tobis wrote:

> We can't stop driving cars and trucks in North America for a couple of
> generations; we have sunk too much into the vehicular infrastructure
> and too little into anything else. We pretty much can break even on
> this part and work on other wedges, or we can lose big.

However, you could cut fuel consumption by 50% without even noticing it, 
and probably much more with any real effort.

James


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