Concentrated supply of heat and electricity combination has a great benefit on saving energy, improving environment, raising the quality of heat supply and increasing the electricity supply.

Wood, the primary source of heat for homes and industries and also used in the iron industry as processed charcoal, was diminishing in supply.

Despite this, designers can't make their cars too 'slippery', as a good supply of airflow has to be ensured to help dissipate the vast amounts of heat produced by a modern Formula One engine.