Answers.comÂ® is making the world better one answer at a time. The element that makes the strongest material is carbon, and the material which is made is graphene. Thao Hg.
<br /><br /> Solar power is the cheapest renewable energy source for small-scale use, such as pocket calculators, LED lights, and remote (small) electrical appliances. Hydroelectric power is the cheapest renewable energy source for large-scale production. That is, it has the lowest cost to construct and maintain the generating facilities compared to the amount of energy produced.
Failure to do so could result in a more restrictive EPA-mandated plan. Today, solar is the fastest-growing source of renewable energy in the United States, employing 143,00 Americans and accounting for nearly 30 percent of all new electric generation capacity installed in 2013 â second only to natural gas.