the BaBoom, will continue to account for 57 percent of the population.
Moreover, recent changes in conventional family structure will prob- ably boost per capita energy consumption. More working wives create higher household incomes; and in 1975, households with $30,000 to $35,000 incomes spent 52 percent more on energy for heating and transportation than those living on $10,000 to $15,000. The growing ranks of singles tend to inhabit condominiums and apartments-which use 38 percent less energy...