The basic difference between direct injection (DI) and the port-fuel injection (PFI) systems we've become familiar with since the mid-1980s is that PFI sprays fuel into the intake manifold (behind ...

China-based Weichai Power’s WP15 hydrogen direct-injection engine has qualified under the China VI vehicle emission standard after completing testing at the CATARC Automotive Test Center. The ...

Gasoline direct injection (GDI) engines have become prevalent in modern light-duty vehicles owing to their improved thermodynamic efficiency and lower fuel consumption compared with ...

In the late 1990s, the automotive industry had great expectations for gasoline (petrol) direct injection (GDI). The technology was heralded as the panacea for fuel economy and emissions, with a ...

The race to electrification has caused many automakers to rush into creating EVs, leaving other “green” options such as hydrogen in the dust. However, not all races are sprints, and just like the ...

Optimizing the Scavenging System for a Two-Stroke Cycle, Free Piston Engine for High Efficiency and Low Emissions: A Computational Approach Optimizing the Scavenging System for a Two-Stroke Cycle, ...

New car technologies arrive almost every day as the industry evolves-each manufacturer developing its tech for improved power ...

Automakers have long touted the benefits of fuel injection, claiming increased efficiency and power. But as more cars have the system installed (around 73% in 2023), more and more consumers are ...

General Motors Europe is introducing a range of newly developed Ecotec petrol and diesel engines which meet Euro 4 emission standards, and deliver high specific power with low fuel consumption. With ...