Craig Henderson piloted his 1,500-pound, diesel-powered Avion from Blaine WA, to Mexico – a 1,478-mile journey – and he burned just 12.4 gallons of fuel along the way. Some simple math shows that this featherweight vehicle achieved an astounding 119.1 miles per gallon, but the mileage numbers don't tell the whole story.
We recently reported on a comparison test where Autocar pitted three diesels against a gasoline-powered Alfa and the Honda CR-Z hybrid. The results showed that the diesels were the mileage champs in that test with the CR-Z placing fourth and the gas-fed Alfa in last place. Well, comments poured suggesting that the Toyota Prius would have trounced the competition, which is likely true. It was also noted that the whole test was unfair in many ways, which may be right. Fairness aside, there's sever