The large price increases of crude oil in 1974 and 1979 stimulated a search for improved fuel economy for road transport, but in the 1980s oil prices declined and interest in fuel saving decreased. Now the emission of carbon dioxide from road transport is accepted as one contribution to possible global warming and the vulnerability of oil supplies to political events has been seen in the Middle East. Road vehicle fuel economy is again a topical subject.
ThriftBooks sells millions of used books at the lowest everyday prices. We personally assess every book's quality and offer rare, out-of-print treasures. We deliver the joy of reading in recyclable packaging with free standard shipping on US orders over $15. ThriftBooks.com. Read more. Spend less.