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 ...

The next time you pull into a gas station, you might think fuel efficiency is just about the size of your engine or how fast you drive. The reality is far more complex and fascinating. Modern vehicles ...

Looking for a fuel-efficient car on a budget? Discover the top 6 most fuel-efficient vehicles under $35,000 in 2025, featuring great MPG, value, and performance. Car buyers may choose fuel-efficient ...

Hybrid vehicles, which combine internal combustion engines with electric motors, are gaining popularity due to their fuel efficiency and eco-friendly nature. As environmental concerns grow, more ...

Searching for a new car but don’t want a hybrid or EV? We’ve got you covered with the 10 most fuel efficient non-electrified ...

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 ...

Since the invention of one of the earliest practical cars, the Motorwagen, over a century ago, most vehicles have relied on internal combustion engines. This technology combines fuel and air to ...

Most V8 fans accept the fact that choosing a vehicle with such an engine means higher gas bills and overall running costs. As addictive as a V8 roar is, boosted and/or hybridized six-cylinder ...

Combustion efficiency in internal combustion engines refers to the proportion of chemical energy in the fuel that is converted into useful mechanical work. Attaining high combustion efficiency is ...