As a 40-something liberal vegetarian living within walking distance of Takoma Park, Maryland (the Berkeley of the east!), I am contractually obligated to own a Toyota Prius (if I had a VW bus with a “Love Your Mother” bumper sticker, it would have been grandfathered in). The Prius, a hybrid gas/electric car, has what’s known as a “sweet spot,” a speed at which you’re getting optimum mileage while operating at maximum efficiency.
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