For example, wind, solar and hydro energy ... There are two types of energy: renewable and non-renewable. Non-renewable energy includes coal, gas and oil. Most cars, trains and planes use non ...

For example, wind, solar and hydro energy ... There are two types of energy: renewable and non-renewable. Non-renewable energy includes coal, gas and oil. Most cars, trains and planes use non ...

for example, are such sources that are constantly being replenished. Renewable energy sources are plentiful and all around us. Fossil fuels - coal, oil and gas - on the other hand, are non ...

Whilst for bioheat, for example, the origin is ourselves ... noting that the old classification uses the non-renewable term for mostly brown energy such as coal, gas, and petroleum.