Fuel efficiency

We took the 2025 Subaru Forester Hybrid on a roughly 200-mile trip to see what kind of gas mileage it gets in real-world driving, and the results surprised us.

We test the 2025 Toyota Tundra TRD Rally’s off-road prowess, towing capabilities and real-world payload, as well as determine whether its cosmetic upgrades justify the cost.

If you’re in the market for a new pickup truck, you may be wondering if you should get a gas engine or a diesel engine since there are significant differences between the two.

The all-new 2025 4Runner hybrid is EPA-rated at 23 mpg combined, but how has ours performed after our first 5,000 miles of driving?

While demand for electric vehicles fluctuates, hybrids are having a moment, and one of the best when it comes to meeting its fuel-economy mission is the Toyota Prius.

EVs are better for the environment than an average new gasoline vehicle no matter where you live in the U.S., according to a greenhouse gas emissions calculator created by the EPA.

EGR stands for exhaust gas recirculation, and the EGR valve is part of a system that recirculates exhaust gas back into the engine’s intake manifold for a return trip to the cylinders it just left.

Here’s a look at the best pickup trucks for getting more done with less fuel — be it gasoline, diesel or electricity — sorted by truck size.

When someone asks if a car “gets good gas mileage,” one logical response is: Compared to what?

The following list highlights the 10 most efficient electric cars for 2025. Where more than one version of a given model qualifies, we selected the most efficient version.