Definition from Wiktionary, the free dictionary
hypermiler (plural hypermilers)
- One who uses special driving techniques to achieve unusually good fuel economy.
2009 February 15, Jerry Garrett, “Pulsing and Gliding to 65 M.P.G.”, in New York Times:
- This herky-jerky driving style is, according to Wayne Gerdes, a Chicago-based fuel economy expert, a variation of what hypermilers call the “high-speed pulse and glide.”