Toy designed for older audiences, such as teenagers or adults, demonstrate advanced concepts. Newton's cradle, a desk toy designed by Simon Prebble, demonstrates the conservation of momentum and energy. Not all toys are appropriate for all ages of children. Even some toys which are marketed for a specific age range can even harm the development of children in that range. "Age compression" is a toy industry term that describes the modern trend of children moving through play stages faster than they did in the past. Children have a desire to progress to more complex toys at a faster pace, girls in
Energy Policy and Conservation Act Traffic Safety Administration was given the authority to regulate fuel economies for automobiles and light trucks. Part B of Title III of the EPCA established the Energy Conservation Program, which gives the Department of Energy the "authority to develop, revise, and implement minimum energy conservation standards for appliances and equipment." As currently implemented, the Department of Energy currently enforces test procedures and minimum standards for more than 50 products covering residential, commercial and industrial, lighting, and plumbing applications. The law has banned crude oil exports, with the U.S. Commerce Department able to grant exceptions for certain types of oil. In