What are some highly rated fuel engines?

The Chevrolet 6.2L LT1 OHV DI V-8, Chrysler 6.2L Supercharged OHV V-8 and Ford 1.0L EcoBoost DOHC DI I-3 are some highly-rated fuel engines as of 2015. These three engines are included on Ward's list of 10 best engines.

The Chevrolet 6.2L LT1 OHV DI V-8 produces 460 SAE net horsepower and gets 17 miles per gallon in the city and 29 miles per gallon on the highway. The Chrysler 6.2L Supercharged OHV V-8 gets 13 miles per gallon in the city and 22 miles per gallon on the highway. It produces 707 SAE net horsepower. The Ford 1.0L EcoBoost DOHC DI I-3 produces 123 SAE net horsepower. Its fuel economy is 31 miles per gallon in the city and 43 miles per gallon on the highway.