hypermiler

noun

1. One who uses special driving techniques to achieve unusually good fuel economy.

   “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.””

   “But when asked which of his achievements he is most proud of, he says: “Actually those of others hypermilers behind the wheel, thanks to my tutelage or simply inspiration.” […] “I’m a huge fan of autonomous cars: they will allow everyone to become a hypermiler.”