Buick Steps on the (Natural) Gas: Regal Could Be Getting Factory CNG Power May 20, 2015 | News —–––<img width="150" height="150" src="http://blog.caranddriver.com/wp-content/uploads/2015/05/Buick-Regal-CNG-prototype-spy-photo-105-150×150.jpg" alt="Buick Regal CNG prototype …read more Share this:FacebookTwitterPinterest