The torque required for an electric vehicle to climb a slope quickly drains the battery (if the electric motor can climb it, and if the refrigeration can manage

The torque required for an electric vehicle to climb a slope quickly drains the battery (if the electric motor can climb it, and if the refrigeration can manage the temperature rise along the climbing time [hill, road, etc; constant torque]). Combustion engines have a high torque, and these variables should be included in the equation. IMHO, it should be mandatory to include in the electric vehicle specification the range with a 14-20% of slope/gradient[1], including the speed. [1] although it does exist some ways with 30% of slope, some wicked garages included.