Dual gas tanks used to be a prominent feature in American trucks in earlier decades, but the progress of engineering (and other factors) has phased them out.

Fox Firepower AUSA: New tanks, stealth Chevy trucks, flying radios and more By Allison Barrie , Fox News Published October 6, 2016 9:29am EDT | Updated October 20, 2016 1:34pm EDT Flipboard ...