m24.    How is energy used?

Industrial processes consume 36% of the energy used in the US. Cogeneration units recover about ²/₃ of the energy wasted in conventional boilers and use it to produce both heat and electricity. About 60-70% of the electricity used in the US drives motors. Energy is also used for transportation; ¼ of the commercial energy in the US is used to move people and goods. The US has 35% of the world's cars and drive as far each year as the rest of the world combined.

g06.    What are some of our energy resources?

g17.    Is some matter more useful than other matter?

g18.    What is energy?