Porsche’s new hybrid Panamera can run 20 miles on a single charge - and hit 168 mph flat-out. Road Test Editor Howard Walker reckons it’s an Ohm-run! Chances are if you can afford the $99,975 asking price for Porsche’s latest eco-offering, the Panamera S E-Hybrid, you won’t be too concerned about saving a few bucks at the gas station. But if you’re keen on doing your bit to help the environment, and you like the thought of piloting a more socially responsible, smoldering-hot sports sedan, th...