Start-stop is a relatively small feature with a dense engineering stack behind it. Modern systems tie together the engine control unit, starter-alternator hardware, beefed-up 12-volt or ...

In a dramatic shift in federal environmental policy, the U.S. Environmental Protection Agency (EPA) under Administrator Lee ...

Start/stop systems are among the simplest ideas in automotive history—turn off the engine when you don’t need it, save fuel, and start again when you do. Passenger cars embraced this decades ago, but ...

Many new cars come with automatic engine start-stop. These systems are designed to save the fuel wasted at idle by turning the engine off when you come to a stop. These systems are becoming more and ...

Automakers produce vehicles with standard driver-assistance and safety features that can sometimes feel unnecessary. The auto start-stop feature does benefit a specific type of driver in certain ...

Start-stop technology, the controversial system that shuts down a vehicle’s engine at idle and restarts it when the driver releases the brake, may soon disappear. New law removes penalties for ...

As part of its broader rollback of U.S. fuel economy rules, the Trump administration says it is eliminating a credit for ...