A technology from Caterpillar combines natural gas and diesel, resulting in an engine that provides the low emissions of natural gas, without giving up A technology from Caterpillar combines natural ...

Diesel engines are different from gas engines in numerous ways, including their use of high compression ratios. Here's why ...

Water injection is a tried-and-true method for cleaning up the combustion process in a diesel engine. It reduces both combustion temperatures and the resulting particular emissions. But what if you ...

If you watched the MythBusters drive an old Mercedes diesel fueled with used cooking oil, you probably wondered why we don't do that all the time with all diesels. After all, Cummins B-series are the ...

Mazda is first with plans for a compression (diesel) engine that burns gas. The SkyActiv-X 2019 Mazda will get 20 to 30 percent better fuel economy than a gasoline ignition engine. Share on Facebook ...

NACFE’s Run on Less—Messy Middle showed top diesel fleets reaching 11.6 mpg through data-driven efficiency and disciplined operations. The study confirmed trucking’s shift toward purpose-built ...

The engines that power the vehicles we drive are exceptional machines. They're capable of generating insane amounts of power in a relatively confined space, and they can generally be expected to ...

[Stay on top of transportation news: Get TTNews in your inbox.] Advanced researchers and engine makers say the internal combustion engine’s ability to be more efficient and run on greener fuels means ...

The demand for alternative fuels has never been higher. As the search for sustainable fuels continues to ramp up, one question that often comes up is whether Cummins diesel engines can truly run on ...

Here we round up the 10 fastest diesel locomotives ever.