Technology – Plug-in hybrid electric vehicle (PHEV)

6 05 2009

Hybrid vehicle – Wikipedia, the free encyclopedia

Another subtype added to the hybrid market is the Plug-in Hybrid Electric Vehicle (PHEV). The PHEV is usually a general fuel-electric (parallel or series) hybrid with increased energy storage capacity (usually Li-ion batteries). It may be connected to mains electricity supply at the end of the journey to avoid charging using the on-board internal combustion engine.[28][29]

This concept is attractive to those seeking to minimize on-road emissions by avoiding – or at least minimizing – the use of ICE during daily driving. As with pure electric vehicles, the total emissions saving, for example in CO2 terms, is dependent upon the energy source of the electricity generating company.

For some users, this type of vehicle may also be financially attractive so long as the electrical energy being used is cheaper than the petrol/diesel that they would have otherwise used. Current tax systems in many European countries use mineral oil taxation as a major income source. This is generally not the case for electricity, which is taxed uniformly for the domestic customer, however he/she uses it. Some electricity suppliers also offer price benefits for off-peak night users, which may further increase the attractiveness of the plug-in option for commuters and urban motorists.

plug-in hybrid electric vehicle (PHEV) is a hybrid vehicle with batteries that can be recharged by connecting a plug to an electric power source. It shares the characteristics of both traditional hybrid electric vehicles, having an electric motor and a internal combustion engine, and of battery electric vehicles, also having a plug to connect to the electric grid.

However the cost savings and zero emissions when driving make it attractive however still doesn’t make it 100% green. Depending on where the power source came from. I.e. Burning of fossil fuels at the power station still produces CO2. Unless the energy source is produced naturals or renewable this technology has limitations as far as zero emissions.

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