Biogas as an Alternate Fuel

waste to biogas



The possibility of using renewable energy as a long term solution for transportation.

The possibility of recycling municipal waste and obtaining energy.

The possibility of converting Methane into a useful gas product.

Biogas typically refers to a gas produced by the breakdown of organic matter in the absence of oxygen. It is a renewable energy source, like solar and wind energy. Furthermore, biogas can be produced from regionally available raw materials such as recycled waste and is environmentally friendly.It is produced by anaerobic digestion with anaerobic bacteria or fermentation of biodegradable materials such as manure, sewage, municipal waste, green waste, plant material, and crops.

Biogas is practically produced as landfill gas (LFG) or digested gas. A biogas plant is the name often given to an anaerobic digester that treats farm wastes or energy crops. These plants can be fed with energy crops such as maize silage or biodegradable wastes including sewage sludge and food waste.During the process, an air-tight tank transforms biomass waste into methane producing renewable energy.

Eunomia (2010) analysed a range of different uses for biogas and found that using  biogas to power vehicles had the lowest carbon footprint. When the carbon impacts  of treating one tonne of organic material were analysed, the following carbon savings  could be made:

• Using biogas as a vehicle fuel has a carbon saving of 97kgCO2 equivalent.

• Using biogas for on-site has a carbon saving of 86kgCO2 equivalent.

• Pumping biogas straight to the grid has a carbon saving of 85kgCO2 equivalent.

• Using biogas to produce electricity has a carbon saving of 62kgCO2 equivalent.

Several models are already in place using biogas and working efficiently and profitably. Sweden being a leader in this area of research and development.

The presentation aims at understanding the possibility of using biogas a a replacement for fuel in Public Transport.

Further links for reading include:


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