Jevons argued that improvements in fuel efficiency tend to increase (rather than decrease) fuel use, writing: "It is a confusion of ideas to suppose that the economical use of fuel is equivalent to diminished consumption.
杰文斯认为，燃料效率的提高往往会增加（而不是减少）燃料使用，写道：“假设燃料的经济使用等同于消耗的消耗，这是一个想法的混乱，恰恰相反。