concept engine

The INNengine e-Rex is technically a two-stroke engine, but without all of the downsides of a conventional two-stroke

Automotive

INNengine “one-stroke” waves away conventional engine design

With a slogan like “The Future is Ecclectic,” we’d expect some interesting things from INNengine, a startup based in Spain. The company is showcasing a “one-stroke” engine that works as an opposed piston with a wavy twist.

Rolls-Royce workers assembling the giant UltraFan technology demonstrator

Aircraft

World's largest and most efficient aircraft engine aces first tests

Rolls-Royce has completed the first ground tests on its massive UltraFan engine, claiming it's at least 10% more efficient than any other large aero engine in service today. This carbon/titanium beauty will roll out on airliners in the 2030s.

Hi, I'm your biggest fan ... The Rolls-Royce UltraFan is the biggest turbofan in history, and it's expected to deliver huge advantages in fuel economy, weight, noise and emissions

Aircraft

World's largest aircraft engine is fully operational and ready to test

Rolls-Royce says it's finished building the first demonstrator for its massive UltraFan engine, which will eventually hit the skies in airliners to be developed in the 2030s. Testing begins soon, with expectations of a 25% leap in efficiency.

Mopar explores the possibility of an aftermarket EV kit

Automotive

Jeep CJ Surge electromod predicts possible plug-and-play EV 4x4 kit

The new CJ Surge concept is a classic pre-Wrangler Jeep with a 200-kW electric drive powering all 4 wheels. The restomod has potential to be more than just a one-and-done, allowing Mopar to explore the possibility of an aftermarket electric kit.