Because you need to click on the owl then click the green fuel rod...
green
BioDiesel is the only "green" fuel that can be used.
Green fuel refers to any alternative fuel source that has a lower environmental impact compared to traditional fossil fuels. Examples include biodiesel, ethanol, hydrogen, and electricity generated from renewable sources such as solar or wind energy. These fuels are typically produced from sustainable resources and help reduce greenhouse gas emissions.
It's not the fuel, it's the copper filament in front of the flame. It's also how they make green fireworks.
Yes, biofuel that is.
Diesel usually.
Green Wheels - 2007 Hydrogen Fuel Cell was released on: USA: 22 August 2008
We click on it and drag it to the empty fuel line which has the fuel (the green thing) dripping out of it.
drive a hybrid.
yes
green