Forbes contributors publish independent expert analyses and insights. Michael Harley is a noted automotive industry expert and analyst. Earlier this month, U.S. Transportation Secretary Sean P. Duffy ...

Like much in life, the difference between detonation and pre-ignition, and their effects, comes down to timing. Both refer to a situation when an engine's fuel/air mixture combusts at the wrong time, ...

Test riding a 151 HP Harley-Davidson, I had the chance to experience BlockheadMoto's impressive motorcycle. My motorcycle collection includes a 2009 Harley-Davidson Dyna Super Glide, a 2018 ...

A fundamental difference between gasoline and diesel engines is that a gasoline engine uses spark ignition while a diesel engine uses compression ignition. Before we delve deeper, let's understand how ...

India's DRDL said it conducted long-duration active cooled scramjet subscale combustor ground testing for more than 1,000 seconds on 25 April. (DRDO) Months after it test-fired an active cooled ...

Aligned with the international standard UL 9540A test method, Huawei Digital Power elevated the rigor of the test by significantly increasing the number of cells subjected to thermal runaway. This ...

An onboard view of the inflatable module tested aboard the Shijian-19 spacecraft. Credit: CAST BREMEN, Germany — China tested out a small expandable module in orbit during the recent Shijian-19 ...

A battery in a traditional car cannot directly create engine spark. It’s only rated at 12 volts, after all, so it needs a little help boosting the signal to the spark plugs. To make that happen, a car ...

Harley-Davidson is recalling more than 40,000 motorcycles due to a potential for short-circuiting and increased crash risk, according to the National Highway Traffic Safety Administration (NHTSA).

SINGAPORE—Chinese private space startup Landspace has completed a 10-km (33,000-ft.) vertical takeoff and vertical landing test on its Zhuqe-3 (ZQ-3) reusable rocket testbed, including a mid-flight ...