National Geographic : 2015 Nov
68 national geographic • november 2015 Economies of scale Mass production drove down the cost of Henry Ford’s Model T by 62 percent. Experts hope that growing demand for energy from wind and solar projects will have a similar effect, making the costs of each competitive with fossil fuels. HENRY FORD COLLECTIONS A common goal After the bombing of Pearl Harbor, the U.S. built an arsenal of more than half a million armored vehicles, ships, and aircraft, including the B-17 Flying Fortress, made by Lockheed-Vega in California. Similarly, an arsenal of renewable energy projects could be rapidly built. ANTHONY POTTER COLLECTION/ GETTY IMAGES Reimagining America’s energy future will take the kind of ingenuity, innovation, and sense of purpose we’ve shown before.