Compare a fuel cell's efficiency to that of an internal combustion engine.
[E]
Compare the energy efficiencies and environmental friendliness of biofuels and fossil fuels.
[P]
Investigate solar homes economic efficiency - how much money it would cost, and how much money we would save over a period of 5, 10 and 20 years.
[E]
[E]
Compare petroleum diesel to Diesel Secret Energy (DSE) in fuel consumption, motor oil cleanliness, exhaust emissions, power, and price.
[E]
Geothermal energy efficiency and negative effects on the environment.
[P]
The Efficiency of Different Savonius Wind Turbines
[E]
Which is more efficient: a Horizontal Axis wind turbines or a Vertical Axis one?
[E]
[E]
Which Type of Wood, Hardwood or Softwood, Will Burn Fastest?
R
[P]
Determine which fireplace fuels work most efficiantly to heat a room for the least amount of time, energy, and money.
[E]
Find out the catalyst that will make a fuel cell more efficient?
[E]
[E]
[E]
[E]
[E]
If you use an electrolyte with a low conductivity value, then the conversion efficiency (electrical power) of the fuel cell will decrease?
[E]
Solar or methanol fuel cells - which is more efficient?
[E]
[E]
Can a farmer reduce his input costs by growing his own fuel?
[P]
Which common gasoline alternative fuel is the most efficient in cost and caloric content including wood, vegetable oil, animal fats, and natural gas.
[E]
[E]
Solar Energy Cost & Efficiency Science Fair Projects & Experiments
Electricity Cost and Efficiency Science Fair Projects & Experiments