The advantages of using alternative energies


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Solar Cars: The Oldest Energy Around

With zero emissions, solar cars present a
sunny solution to eco-friendly car buyers. ItAre  there  any  solar  cars  out  there?
also makes good sense to develop a green car
technology that doesn't call for aFrench manufacturer Venturi says their solar
complicated infrastructure or any type ofelectric AstroLab hybrid concept car yields
fueling station. What could be easier thanan improved PV cell efficiency level of 21%.
using an already existing energy source likeIt's not exactly a family car with its 2-seat
the Sun, right? After all it was around sincetandem cockpit configuration, but it's one
the beginning of the solar system, wellpossibility. The Hungarian manufacturer Antro
before fossil fuel. If it were only thathas designed a solar gas-electric hybrid
simple, we'd probably already have done it.other wise known as a tribrid scheduled for
In spite of universities and corporationsproduction in 2012, and Tesla Motors has an
building solar cars every year for the pastelectric car that can be recharged with solar
20 years for the annual Australian Worldpower with 2009 models available in the U.S.
Solar Challenge solar car race, we're notand Europe. These are only the first advances
quite  there  yet.in solar car technology. As time goes on more
and more manufacturers will be developing and
How  do  they  work?incorporating some type of solar technology
into preexisting propulsion systems. This
A solar car is really an electric vehiclewill create a new sort of hybrid,
powered by solar energy. Photovoltaic (PV)disconnected from fossil fuels, yet still not
cells in the form of solar panels convertfully  reliant  on  the  Sun's  energy
sunlight into electrical energy. The process
generates heat, which is converted intoPerhaps with the recent high intensity
electrical energy and stored in an on-boardphotvoltaic cells designed by a company in
battery. The battery serves the same basicIsrael, many of the energy efficiency
purpose as a gas tank on an internalproblems will be taken care of. It is not
combustion  car.clear though if they can be designed for
cars.
In spite of the great bounty of sunshine
there for the taking, solar car technology isConclusion
elusive. The solar electric power source
needs a lot of PV cells, which are expensive,Solar energy and more specifically solar cars
and the efficiency level of PVs is estimatedwould be an amazing advancement in future car
to be only 10% to 15%. These are dauntingtechnology. They would allow for free travel
challenges facing engineers, and it's moreand nearly unlimited accessibility. Time will
likely a hybrid solar with another fueltell if all the problems associated with
source is the only viable option in the nearharnessing the world's oldest energy source
future, yet the concept is intriguing enoughcan be dealt with. If the hurdles can be
for engineers inside and outside universitiespassed then for sure solar cars will be the
to take a pure solar car prototype into awave of the future.
more  advanced  development  stage.



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