While the engineering community continues to explore the benefits of electric and hybrid vehicles—i.e., the environmental and renewable energy factors—the automotive market is still dependent on ...

In 20 years, the hydraulic roller lifter has gone from a hot rodding oddity, to plain vanilla common fare. In those 20 years, one aspect that's changed very little is the rpm capability of the basic ...

Washington, D.C., January 24, 2011 — While many of us have fixated on electric approaches to vehicle propulsion, the U.S. Environmental Protection Agency has been working on another technology that ...

The engines of yesteryear were pretty simple, with tappets clackity-clacking away on cam lobes, opening valves, and making a ruckus while doing it. Mechanical lifters were adequate for valve operation ...

Adjust rocker arms frequently—or not at all? Rev to the moon—or stop at the smog layer? These are the eternal questions that have plagued hot rodders trying to decide whether to purchase a mechanical ...

Another day, another potential find to avoid the imminent fuel crisis. On the docket today is Ernie Brookins' hybrid drive system, which "captures, compresses, and stores wasted drive-train energy ...

The Air Vantage 600 SD Hydraulic engine-driven welder is a “four-in-one machine,” combining a 600-amp welder, 20,000-watt continuous AC generator, 60-cfm air compressor, and 10-gpm hydraulic pump. The ...

Among the dizzying number of drone videos shared on YouTube, there are few that we’re willing to share. But when the R&D engineers at Flowcopter Ltd. reached out to glean interest in doing a story on ...