Hydrogen As a New Source of Energy for E-mobility

Getting from A to B without endlessly choking the planet on a deadly cocktail of toxic pollution is more feasible these days as electric mobility continues to gather pace.

E-mobility, the environmentally friendly method of travel which steers away from existing fossil fuels, uses energy from electrical power sources through charging instead of emitting carbon into the atmosphere.

An abundance of greener options are on offer when looking to make the switch to a more sustainable vehicle choice and advances in alternative fuels – such as hydrogen – have given e-mobility a boost.

But how long will it be before more people choose to step on the (colourless) gas?

The use of hydrogen to power vehicles reduces greenhouse gas (GHG) emissions which contributes towards meeting the targets set by the Paris Climate Agreement. Although these vehicles were first introduced in 2014, momentum is building more for them now as car owners become more serious about lowering their carbon footprint in the battle against climate change. It helps that green hydrogen (i.e. hydrogen obtained from renewable energy sources such as solar or wind) is touted as playing a vital role in the decarbonisation of the energy system.

A hydrogen fuel cell electric vehicle (FCEV) is powered by pressurised hydrogen from a fuelling station.

Vehicles powered by hydrogen can be filled as quickly as their fossil fuel equivalent, but the benefit outweighs its polluting counterpart in that it produces only water and heat as a by-product. This means there is no tailpipe pollution in transit, resulting in zero carbon emissions.

Hydrogen powers vehicles through a conversion process from chemical energy to mechanical energy. This is achieved when oxygen reacts with hydrogen through a fuel cell, which then runs an electric motor.

Although energy is lost along the way, via the conversion process, hydrogen can decarbonise heavy transport (such as road freight) which would utilise a lot of fossil fuels otherwise, and we are fully aware of the damage caused by dirty fuel. It can also decarbonise the chemical, iron and steel industries as well as improve air quality.

Source: Yahoo Finance.

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