Reactive gas released during combustion or evaporation of fuel and regulated by EPA. VOCs react with NOx in the presence of sunlight and form ozone.
Retrofitting a vehicle engine to run on an alternative fuel.
A vehicle that has the capacity of burning any combination of gasoline and an alternative fuel. Also known as a flexible-fuel vehicle.
When a liquid is pumped into an empty or partially full tank vapors contained in the tank are displaced and are forced out through the fill opening. A vapor return system allows these vapors to be captured and returned to the filling vessel averting their release into the atmosphere.
The tendency of a liquid to pass into the vapor state at a given temperature. With automotive fuels, volatility is determined by measuring RVP.