With all the recent emphasis on electric vehicles, we often overlook the technology that still powers most cars on the road today. The internal combustion engine (ICE) has been at the heart of the ...

Rotary engines differ from conventional ones in many respects — and one of them is the fact that they use two different spark ...

NOTE: With this issue of HOT ROD, your Shop Series begins a slightly different and more comprehensive approach to the discussion of engine and vehicle basics. In the coming months, you'll find a frank ...

As the United States marks its 250th anniversary, WTOP presents “250 Years of America,” a multipart series examining the innovations, breakthroughs and pivotal moments that have shaped the nation ...