Jevons warned that fuel efficiency gains tend to increase fuel use, but this does not imply that increased fuel efficiency is worthless.
This does not imply that increased fuel efficiency is worthless. Jevons warned that fuel efficiency gains tend to increase, rather than reduce, fuel use.
Jevons warned that fuel efficiency gains tend to increase, rather than reduce, fuel use. This does not imply that increased fuel efficiency is worthless.
Jevons warned that fuel efficiency gains tend to increase, rather than reduce, fuel use. This does not imply that increased fuel efficiency is worthless.