HCCI

 
2019 Infiniti QX50 crossover to debut variable-compression engine

2019 Infiniti QX50 crossover to debut variable-compression engine

Efforts by automakers to increase fuel efficiency and reduce carbon emissions have intensified in recent years as emission rules have tightened and the effects of climate change are better analyzed. While electric cars and hybrids will grow in popularity, the internal-combustion engine remains the... read more

November 20, 2017 by -
 
2017 Mazda CX-5

Mazda to launch homogeneous-charge compression engine next year

The differences between gasoline and diesel engines lie not only in their fuels, but in how those fuels are ignited. Gasoline engines use spark plugs, while diesels simply... read more January 16, 2017 by


 
2014 Mazda 3 s Grand Touring  -  First Drive

Could Future Mazda Engines Emit Less CO2 Than Electric Cars?

Is it possible to make a gasoline engine so efficient that it would emit less carbon dioxide per mile than is created by generating electricity to run an electric car over... read more March 25, 2014 by


 
Gas pump

Could Diesel Engines Give Gas Cars Better Gas Mileage?

For years, spark plugs have been used to ignite the compressed fuel-air mix inside the cylinders of a gasoline engine to produce power. Now a new prototype engine is... read more May 3, 2012 by 3


 
2012 Mercedes-Benz SLK

U.S. Gas Is Too Dirty For Our Best Engines, Mercedes-Benz Says

We rarely think about what's in our gasoline when we fill the tank, but carmakers have to. Mercedes-Benz has just launched a new direct-injected 3.5-liter V-6 engine in its... read more March 18, 2011 by 3


 
Mahle three-cylinder, 1.2-liter engine develops 193 horsepower

Big Mileage Gains From Really, Really Small Engines

We keep saying that one of the ways all cars will get greener and more efficient is for their engines to get smaller and work harder. One of the first production examples of... read more August 10, 2009 by 3


 

 
 

 
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