Challenge in Green
Transport : Hybrid vehicle
When there is
people mention on green transport or sustaianable transport, hybrid car or
electric car is going to be includwd in the discussion. As there are many
benefits that the hybrids car can offer especially the environment, however
there are still few problem arise as it is not a main transportation use in this
transportation world.
Electric cars have
been around since the inception of the automobile. But in the early race for
dominance, the internal combustion engine (ICE) quickly won out as the best
power system for cars. Although the electric power train was superior in many
respects, as a source of energy, the battery was no match for the high energy
content, ease of handling, and cheap and abundant supplies of petroleum motor
fuel. Today, nearly a century after the electric vehicle (EV) was forced into
near oblivion, EVs may actually become the ultimate winner. As
easily-recoverable petroleum deposits dwindle, automobile populations soar, and
cities become choked with combustion by-products, the ICE is increasingly
becoming the victim of its own success. Automobiles must become cleaner and
more energy efficient. This document explores the benefits and challenges of
clean and efficient electric powered automobiles.
However there are
still challenfes in developing this types of green transportation:
The three major challenges facing electric vehicles
1.
Change takes time
One
of the UK's best-selling cars is the all-electric Tesla Model 3. But its
success doesn't change the fact that only about 1.1% of new cars sold
this year are electric, and that the market for used electric vehicles hardly
exists.
As
it takes most UK drivers anywhere between one and 15 years to change their
vehicles, many of us won't be thinking about buying an electric model any time
soon. Bigger changes are needed. We will need many more
places for charging electric vehicles, for example. And because fuel tax is an
important source of income for the government - and electric vehicle users pay
lower taxes - changes to the tax system may be required.
2. Backing the right technology
There are rapid developments in
battery and charging technology, but this is causing deep uncertainty. Which
charging technologies will become the gold standard?
This is a particular problem for
people living in apartment blocks, or houses without a private parking space.
Should they expect charging to be available at bollards or lamp posts along
their street?
Perhaps home charging will not be
as important as it is now. Should drivers use facilities at petrol stations,
their office or in empty supermarket car parks at night?
Other options being explored
include induction pads embedded in major roads, which charge cars as they drive
over them.
5.
The zero-carbon fantasy
Even
100% electric vehicles are not a zero-carbon solution.
They
may not produce the usual exhaust pipe emissions, but even if all of the UK's
electricity was from renewable sources, there would still be an environmental
cost.
Sourcing
the minerals used for batteries, dismantling batteries which have deteriorated,
and building and delivering vehicles to customers worldwide all involve
substantial CO2 emissions. It is impossible to break all of the links.
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