Biodiesel
Ethanol
Hydrogen
Electricity
100

What forms of transportation use biodiesel? 

Cars, trains, and boats.

100

What forms of transportation use ethanol?

Cars, some boats, and trains can also be used with Ethanol.

100

What forms of transportation use hydrogen?

Cars, buses, airplanes, submarines, and rocket ships.

100

What forms of transportation use electricity?

Trains, cars, buses, bikes, and some airplanes.

200

What is biodiesel?

Biodiesel is a form of diesel fuel.

200

What ethanol?

Ethanol is an organic compound.

200

What is hydrogen?

Hydrogen is a gas energy carrier. 

200

What is electricity?

Electricity is still or moving electrons.

300

How is biodiesel made?

Biodiesel is made from either vegetable oil, animal fat, or recycled restaurant grease.

300

What is used to make ethanol?

Ethanol is a fuel made from plant materials known as biomass.

300

What makes hydrogen?

 Hydrogen is produced from water, fossil fuels, or biomass.

300

How is electricity made?

Electricity is made by a turbine generator turning energy into electricity.