The latest concept is a small four-cylinder running on synthetic fuel that can achieve 71 mpg in an EREV platform.

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

The H12 is supposedly a variant of the HR12, a 1.2-liter, three-cylinder turbocharged engine, which was fitted with a new combustion system with a 17:1 compression ratio, a new exhaust gas ...

When electric vehicles started being a thing, not long ago, we all became convinced, some faster than others, that there is no future for the internal combustion engine in the auto industry. We were ...