Unleaded VS. Diesel

VS.

Unleaded and diesel are the two biggest forms of gasoline that we have. Diesel is a crude oil that burns efficiently while unleaded gas is more refined. Because of this, Diesel is more fuel effecient; however which is better for the environment? Use to, Diesel was know for being very pollutive. However, diesel doesn't emit many poisonous gasses like unleaded gasoline, it polluted in the form of soot. With today's technology though, diesel cars have significantly cut down on the amount of soot produced. With this in mined, modern day diesel cars more Eco friendly than cars ran on unleaded gas.