The lithium-ion battery in the new Volkswagen Jetta Hybrid may be small (just 1.1 kWh), but it can pack a punch big enough to move the gas-electric to speeds up to 44 miles per hour using nothing but electrons. Throw in a combined estimated fuel efficiency rating of 45 miles per gallon and a class-leading 0-60 time of 9.0 seconds, and you've got a green Jetta that should prove to be fun out on the highway.
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