Duel fuel ranges have a gas cooktop and an electric oven. The benefits of gas cooktops include better temperature control and prompt heating capabilities. The advantage of an electric oven includes even heat distribution which is optimal for baking. Within Bosch Dual Fuel Ranges, the sizes span from 30 in. to 36 in.. Check out the widest option available within Bosch Dual Fuel Ranges, the 36 in. 3.7 cu. ft. Industrial Style Dual Fuel Range with 6-Burners in Black Stainless Steel.