Fuel economy review: The 2020 Ram 1500 EcoDiesel is a brawny fuel-sipper

2020 Ram 1500 EcoDiselWith the first factory-produced full-size electric pickup trucks still under development, the most fuel-efficient full-size pickups on sale from an automaker are powered by diesel fuel. At Fiat Chrysler Automobile dealerships, that’s the Ram 1500 EcoDiesel. Although official EPA numbers remain pending as we write this, the diesel is expected...