Horse Powertrain claims the engine has a peak brake thermal efficiency of over 44 percent, reducing fuel consumption.

Now, extended-range EVs (EREVs) are making a comeback with models like the upcoming Ram 1500 REV and Scout Traveler/Tera Harvester. But those will be very large vehicles with big batteries and hefty ...

Modern diesel engine development has increased engine efficiency and decreased NOx and particulate matter emissions. This ...

Getting from A to B by most means of transport is polluting; incomplete combustion of fuels releases soot and unburned fuel into the atmosphere, along with greenhouse gases such as carbon monoxide and ...

In the accelerating quest for greater fuel efficiency, boosting engines--with turbos or superchargers--is one way to pull more power out of a given displacement. Traditionally, superchargers have been ...

Every fleet strives to achieve two things when it comes to engines. The first is to maintain efficiency in order to reduce operating and service costs. The other is to ensure the longest possible ...

Recent advances in the analysis of aviation engine efficiency and sustainability have expanded the understanding of engine performance beyond traditional energy metrics. Researchers are increasingly ...

One famous limit of thermodynamics is that heat engines, like steam engines and internal combustion engines, must be less efficient than a Carnot heat engine (a heat engine cycle designed by French ...

Kyle Hyatt (he/him/his) hails originally from the Pacific Northwest, but has long called Los Angeles home. He's had a lifelong obsession with cars and motorcycles (both old and new). One of the cool ...

Those of us who drive pickup trucks expect quite a bit from our trucks’ engines.As we put them to work, whether that’s on the ...