National Public Radio: STEVE INSKEEP, host: And today’s last word in business is Scotch power. Alcohol and driving definitely should not mix, but scientists in Scotland are hoping to harness the power of their country’s national drink to fuel cars. Researchers at Edinburgh’s Napier University say they have developed a new biofuel that uses whiskey bi-products – the stuff left over from the whiskey-making process. The scientists say their new fuel is 30 percent more powerful than traditional …