It’s why the 2007 Chevy Tahoe Hybrid won a green car award. It may have been a measley 21MPG city (11.2 L/100km, 4.8gal/100mi), but that was 30% better than previous models.

Notably, the US DOE shows gal/100mi on their fuel economy website already. www.fueleconomy.gov/…/2007_Chevrolet_Tahoe.shtml www.fueleconomy.gov/…/2008_Chevrolet_Tahoe.shtml