GM's new engine to make its hybrids and plug-ins even more efficient
GM announced its development of a new, more efficient internal combustion engine that will eventually be used to power its lineup of hybrid and extended-range plug-in vehicles.
In the homogenous charge compression ignition engine (HCCI), the air and fuel mixture is compressed to ignite rather than using a spark. When combined with other advanced technologies, the HCCI engine provides up to 15 percent better fuel economy, according to GM. … Read more