Hypermiling, the art of driving your car so it delivers better fuel economy than the manufacturer's official figures, began in the US as a wacky journey taken by obsessives such as Wayne Gerdes, who coined the phrase and has averaged more than 180mpg in a hybrid Honda Insight.
Source: wiktionary
Yahya Fahimuddin got tired of spending $60 to fill his Jeep, so he bought an old Honda Insight hybrid and took up hypermiling
Source: wiktionary
For example, in the U.K., where a gallon of gasoline currently costs around $5.60, hypermiling could save the average driver doing 8,000 miles in a 33 mpg car around $500 a year, according to Gerdes.
Source: wiktionary