2020 Mazda 3 prototype

2020 Mazda 3 prototype first drive: can spark-less engines ignite our passions?

In late August, exactly six next-generation 2020 Mazda 3 hatchbacks existed anywhere in the world. Each was a hand-built prototype, riding on a next-generation chassis and powered by a radical new 2.0-liter engine. We'll take two. But the car’s styling and design haven’t been... read more

September 6, 2017 by
2017 Mazda MAZDA6

Report: Mazda to launch HCCI engine in 2018

Not all gasoline engines need spark plugs to ignite their fuel. A process called homogeneous-charge compression ignition (HCCI) uses compression to ignite the fuel, just like... read more January 18, 2017 by

Could HCCI be the future of the internal combustion engine?

Could HCCI be the future of the internal combustion engine?

The internal-combustion engine is something with which you're no doubt very familiar. Air, spark, and fuel come together over the course of four strokes to create power and... read more September 14, 2016 by

Conventional versus sparkless ignition - Image courtesy of GM

Bosch hard at work on sparkless ignition HCCI engine

A few years ago sparkless ignition or homogeneous charge compression ignition (HCCI) in gasoline engines was all the rage, with a number of major automakers including General... read more January 19, 2012 by

2012 Mercedes-Benz SLK

Dirty Fuels In U.S. Hampering Next-Generation Engines, Says Mercedes-Benz

According to Mercedes-Benz, America’s dirty fuels, namely its high sulfur content in gasoline, is the main reason why we won’t be seeing a new generation of... read more March 18, 2011 by

BMW says no to HCCI, for now

BMW says no to HCCI, for now

BMW is renowned for having some of the greatest and most modern engines in the business but when it comes to one of the latest innovations in powertrain technologies BMW says... read more October 5, 2007 by

GM trials new HCCI petrol engines

GM trials new HCCI gasoline engines

GM engineers are doing road-tests of a new internal combustion engine design, which the carmaker claims uses 15% less fuel than conventional petrol engines. A Saturn Aura and... read more August 24, 2007 by

Sparkless ignition petrol engines reduce fuel usage

Sparkless ignition petrol engines reduce fuel usage

Researchers at MIT have been testing a prototype of a new internal combustion engine design that’s said to improve fuel-efficiency by up to 25% and runs on regular... read more August 5, 2007 by


© 2017 MotorAuthority. All Rights Reserved. MotorAuthority is published by Internet Brands Automotive Group. Stock photography by izmostock. Read our Cookie Policy.