Auto transport article - Green Car Technologies

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Why Green Car Technology?

  • The desire to decrease environmental impacts and reduce oil dependence is urging interest in alternative fuels and green technologies.
  • The desire to decrease environmental impacts and reduce oil dependence is urging interest in alternative fuels and green technologies.

Hybrid Cars

Working of Hybrid cars

Hybrid car, also recognized as HEV or hybrid electric vehicle, is an automobile that is powered by two sources
  • An internal combustion engine

  • An electric motor
Hybrid cars have no use for plugs, as they are adequately charged by the movement of the wheels which stores the kinetic energy, generated through a process called regenerative braking.

Hybrid cars VS Electric Cars

Hybrid cars and electric cars are quite different. Gas motors in hybrid cars switch on automatically when the battery gets low and continues to charge the battery. Hybrid cars still use gas while electric cars do not.

Working of Electric Cars

  • Unlike a hybrid car which needs to be fueled by gasoline and uses a battery and motor to improve efficiency an electric car is powered completely by electricity.
  • An electric car uses electric motors and motor controllers for propulsion, instead of regular propulsion methods such as the internal combustion engine (ICE).
  • They are generally powered by on-board battery packs, and as such are battery electric vehicles (BEVs). Other on-board energy storage techniques that are expected to come into exercise in the future include ultra capacitors, fuel cells, and a spinning flywheel which stores kinetic energy.

Ethanol as fuel and vehicles running on Ethanol

Wondering what is ethanol and how can it be used as alternate fuel?
Ethanol (ethyl alcohol) is a similar type of alcohol that is present in alcoholic beverages. Ethanol is mostly produced from corn or sugar cane, although this will change as cheaper cellulose ethanol prepared from fast growing woody grasses and other biomass.

About the Vehicles Running On Ethanol Fuel

There are more than six million flexible-fuel vehicles on American roads capable of running on E85 ethanol, gasoline, or any blend of these two fuels in the same tank.
Majority of diesel vehicles can run on low blends of biodiesel like B5, 5% renewable biodiesel + 95% petrodiesel. Ford E85 helps you to drive without burning a drop of gasoline.
Never run a standard gasoline vehicle on E85 since this can damage your engine and fuel system.

Hydrogen Technology

Hydrogen is used to power an electric vehicle and can be used as a fuel for a vehicle in two different ways.
  1. Using hydrogen to stimulate an internal combustion engine.

  2. The other technique is a hydrogen fuel cell electric vehicle.

Why are they considered to be environment friendly?

  • At present there are a number of prototype car designs which are fuelled by hydrogen fuel cells, rather than conventional gasoline.
  • The emissions of these cars consist of little more than some water vapour, and for that reason they are considered environmentally friendly.
Hydrogen fuel cells are another way to power a vehicle. Hydrogen is perhaps the cleanest of all alternative fuel. Mercedes hydrogen Car is a good example for vehicles using Hydrogen as fuel.

Natural Gas

When ethanol and hydrogen are used as natural gas why natural gas can't be used?

  • Natural gas, termed the prince of hydrocarbons is an increasingly important fuel source in the world energy system.
  • Being the cleanest-burning fossil fuel, it is utilized by a rising number of medium- and heavy-duty commercial vehicles like refuse trucks and delivery vans.

Plug in hybrids and the difference between PHEV and HEV

  • Plug in hybrid technology allows gasoline-electric hybrid vehicles to be recharged or re-energized from the grid and run many miles on battery power alone.
  • Most PHEVs at present are passenger cars, also PHEV versions of commercial automobiles and vans, utility trucks, buses, trains, motorcycles, scooters, and military vehicles are available.
  • They are at times called grid-connected hybrids, gas-optional hybrids, or GO-HEVs. New Toyota Prius Plug-In Hybrid Car uses plug in. Plug in hybrids may need electricity for shorter distances.

Difference between PHEV and HEV

Air Powered cars

Though air powered cars seem like the stuff of fantasy, there are vehicles being developed that actually run on nothing but compressed air. This zero-emission 'fuel' is believed to hold assurance for future car models and is being found in many countries. Air power can be quite frightening, as mechanics have used pneumatic air powered tools to do heavy-duty work in service shops all over the world.
Unfortunately, air alone cannot be used as a fuel.
  1. First, energy has to be stored in it by compressing the air tightly using a mechanical air compressor.

  2. Once the compressed air is set free, it expands.

  3. This expanding air can be used, for instance, to drive the pistons that power an engine.

Biodiesel as an Alternative Fuel

Biodiesel is an alternative and cleaner fuel obtained from a variety of sources ranging from waste vegetable oil to soybeans. It can often be used seamlessly in diesel engines of all types. Since it can be produced locally, biodiesel has the power to reduce our reliance on foreign countries for oil and enhance local economies.2009 Volkswagen Jetta TDI is a good example for vehicles that run on biodiesel.

Can you guess what would the technology used in future?

Cars in the future will evolve to run cleaner and faster than ever before, because technologies are being developed.
While more conventional technologies like hybrid cars and hydrogen fuel cells continue to push the limitations of today's car technology, all new innovations wil be introduced in the future, which also contributes to better fuel economy,lower greenhouse gases and enhanced tailpipe emissions.