The document discusses hybrid vehicles, which combine an internal combustion engine with one or more electric motors to reduce fuel consumption. It notes that hybrids can help reduce oil usage and emissions by filling the gap between conventional vehicles and alternative fuel technologies. Hybrid vehicles use different drivetrain systems, including series, parallel, and series-parallel, and can help transition to a future with less oil dependence and a cleaner environment if automakers participate in developing more hybrid models.

1. BY SIRISH(11U11A0346)

2.  A hybrid vehicle is a vehicle that uses two or
more distinct power sources to move the
vehicle. The term most commonly refers
to hybrid electric vehicles(HEVs), which
combine an internal combustion engine and
one or more electric motors. However, other
mechanisms to capture and use energy may
also be included.

3.  Gasoline known as petrol outside of North
America is a transparent, petroleum-derived
liquid that is used primarily as a fuel
in internal combustion engines. It consists
mostly of organic compounds obtained by
the fractional distillation of petroleum,
enhanced with a variety of additives; a 42-
gallon barrel of crude oil yields about 19
gallons of gasoline, when processed in an oil
refinery.

4. Key points
 Gas car waste fuel
 How hybrid waste less fuel
 Hybrid worth or not

15.  Series drivetrain
 Parallel drivetrain
 Series/parallel drivetrain

19. Key points
 Gas car waste fuel
 How hybrid waste less fuel
 Hybrid worth or not

22.  The technology exists to build a future with a
significantly lower dependence on oil and a cleaner,
cooler atmosphere. With sufficient political will and
automaker participation, this future can arrive in time
to address these significant and growing problems.
Hybrids can play an important role in realizing this
future, filling the gap between immediate
improvements through conventional technology and
alternative fuels. Building on a 40-mpg fleet that
relies on existing conventional technology, hybrids
can help drive passenger vehicle oil consumption and
global warming emissions from cars and trucks below
1990 levels.