Nissan has a new approach to the fullsize truck market by offering a 5.0L Cummins diesel V-8 in its all-new Titan XD pickup. With a 2-stage Holset turbocharger, this 90-degree dual-overhead cam diesel produces 310 hp and a stout 555 lb.-ft. of...
The Chevy Impala’s bi-fuel 3.6L V-6 runs both on gasoline and compressed natural gas. Cost is a hurdle, however. A non-CNG V-6 Impala LT bases at $30,895. The bi-fuel version of that same car will cost an extra $9,500.
