fuelish

adjective2

1. •
   Consuming excessive amounts of fuel, especially fossil fuels.

   • People who were "fuelish" would learn to conserve, or simply do without. — 1979
2. •
   Pertaining to fuel, especially in a manner that is considered silly.

   • "Spring is only three tons away," says the Harrisburg Patriot. "A fuelish way of measuring," comments a correspondent. — 1921