Carbon buildup can cause a loss of engine performance, usually happening on high-mile engines that have plenty of sticky deposits after decades of running. A popular trick dating back to the hot ...

Polycyclic aromatic hydrocarbons such as anthracene and pyrene in gasolines are believed to be one of the causes of deposits in internal combustion engines. One source of these compounds is heavy ...

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 ...