The transmission-distribution cost is apportioned with stamp theory, which can get the unit power-supplying cost of direct power-purchase for large consumers.
Load balancing algorithm based on load variety and distribution cost
variable sales and distribution costs
The motorcade is in the physical distribution transport company an important functional departments, affects the physical distribution grade of service and the physical distribution cost directly.
Diesel will cost more, but petroleum-based diesel sells in America for 57 cents a litre before distribution costs and tax, so there should be room for profit.