7 Best, Worst States on Energy Efficiency From New York to South Carolina By Newser Editors, Newser Staff Posted Oct 17, 2017 10:10 AM CDT 19 comments Comments (AP Photo/Nati Harnik, File) (Newser) – Not all states are created equal when it comes to energy efficiency. WalletHub has a new ranking that crunches data in two broad categories—home energy efficiency and auto energy efficiency—to figure out the best and worst overall. As it turns out, the results put New York at the top and South Carolina at the bottom. (One caveat: Hawaii and Alaska were not included.) Read the next page My Take on This Story Report a story error Show results without voting | 11% Hilarious 46% Intriguing 6% Depressing 4% Brilliant 4% Scary 29% Ridiculous