Modern engines deliver more power from less metal, sip less fuel, and meet emissions rules that would have seemed impossible a generation ago. Yet owners are discovering that this new efficiency often ...

The Japanese automaker is developing new hybrid solutions that should keep both wallets and drivers happy. Honda has announced it is developing two new four-cylinder hybrid engines operating on the ...

In America, the average mpg of a semi truck sits firmly in single-digit territory. Efficiency improvements mean that today's trucks now average around seven mpg, but some states still see trucks ...

Smaller, more powerful and fuel-efficient engines don’t seem to have great long term reliability. Engine recalls from major automakers such as GM, Toyota and Honda have cost billions of dollars. Moves ...

Purdue University’s Greg Shaver doesn’t believe there should be a trade-off between protecting the air we breathe and achieving better engine efficiency of large vehicles on the road. Shaver, a ...

Mazda’s SKYACTIV-Z tech could change the way automakers and drivers look at gas-powered engines amid today’s significant EV investment push. Expert engineer Masahisa Yamakawa at Mazda said that heat ...

General Motors' Ecotec engine has been a familiar name under the hoods of various Chevrolet, Buick, and GMC vehicles for over two decades. This versatile lineup caters to fuel-conscious drivers, ...