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Scientists around the world are doing their best to ensure that they will work differently too.Other options include replacing a car's sunroof with a panel which has organic solar cells within it. ThisThese are electric cars, which use electric energy stored in rechargeable batteries, or hybrids, which use a combination of petrol or diesel with an electric motor.Cars which use more sustainable energy are gradually replacing traditional petrol or diesel powered cars.The car has photovoltaic (PV) cells in solar panels, which are made of silicon.These convert the sun's energy into electrical energy.

Scientists around the world are doing their best to
ensure that they will work differently too. Cars which
use more sustainable energy are gradually replacing
traditional petrol or diesel powered cars. These
are electric cars, which use electric energy stored
in rechargeable batteries, or hybrids, which use a
combination of petrol or diesel with an electric motor.
However, there's an alternative which is even more
appealing from an environmental point of view. Solar
energy - using the heat of the sun - is already used
to heat buildings and provide electricity. Researchers
are now trying to apply this lechnology to vehicles.
A solar vehicle is an electric vehicle which takes all,
or most, of its power from solar energy. The car has
photovoltaic (PV) cells in solar panels, which are
made of silicon. These convert the sun's energy into
electrical energy. For instance, Ford are designing a
car with a solar panel system on the roof, which will
soon be able to draw the same amount of power as
a four-hour charge from a baltery.
Other options include replacing a car's sunroof with
a panel which has organic solar cells within it. This