Tag: fuel-efficient

ScienceDaily (Mar. 19, 2012) — Cheaper, quieter and fuel-efficient biplanes could put supersonic travel on the horizon.

For 27 years, the Concorde provided its passengers with a rare luxury: time saved. For a pricey fare, the sleek supersonic jet ferried its ticketholders from New York to Paris in a mere three-and-a-half hours -- just enough time for a nap and an aperitif.

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Among Consumer Reports' vehicle test criteria are measurements of fuel economy. Our fuel economy numbers come from our measurements using a precision flow meter and are rounded to the nearest mile per gallon (mpg).

CR's overall mileage is calculated from equal portions of city and expressway driving and on a 150-mile trip.

The chart that follows features the 14 most fuel-efficient cars currently sold that Consumer Reports has tested ....