Understanding what twin turbos actually do, how they are configured, and where their efficiency gains are won or lost is ...

The Efficiency Illusion and Real World Mechanics So, do twin turbos help or hurt your gas mileage? It's complicated, honey.

In our tests, we've found that in some cars a manual transmission can improve gas mileage by a significant 2 to 5 mpg, ...

Big changes to emissions and fuel economy standards are likely to hit the automotive industry in the coming months as President Donald J. Trump takes office — but according to a new study from ...

The Trump administration has proposed weakening the CAFE standards, which have improved gas mileage for millions of American cars, trucks and SUVs.

Q: I’ve been reading about a device called Fuel Save Pro that plugs into my car’s OBD II port under the dashboard. It says I can save 15% to 35% on fuel costs by letting this device optimize my car’s ...

Lowering the national standard from a projected 50 mpg to 35 mpg in 2030 means Americans will use an additional 64 billion ...

From speed management to minimizing idling, these driver tips highlight simple ways fleets can improve fuel economy without new equipment.

Managing fuel consumption is a critical factor that will significantly affect a fleet’s profitability. With fuel costs being one of the largest operating expenses, companies are continually seeking ...

Airlines can cut fuel burn through ramp processes such as load optimisation, accurate weights, smarter water uplift and ...

Drivers, start your engines … and start saving fuel. The latter command has been so hard to escape in the NASCAR Cup Series this season, it’s left Chase Briscoe obsessed with maximizing his mileage — ...