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  1. Slide1 Farming crops for fuel The next big change in agriculture  Macmillan Publishers Ltd 2005Taken from the Business and ESP section in www.onestopenglish.com

  2. Slide 2 • Biomass releases CO2 into the atmosphere • Effect carbon neutral – gas taken up earlier by plants  Macmillan Publishers Ltd 2005Taken from the Business and ESP section in www.onestopenglish.com

  3. Slide 3 • Burning organic material now more cost-effective – but downside • Changing oil to biomass not easy – needs change in public attitude • Energy infrastructure centred on fossil fuel • Oil supply chains well established  Macmillan Publishers Ltd 2005Taken from the Business and ESP section in www.onestopenglish.com

  4. Slide 4 • Biomass use/supply chains not developed • Biomass problems: smoke/smell • Biomass difficult to use outside industry – specialist equipment needed  Macmillan Publishers Ltd 2005Taken from the Business and ESP section in www.onestopenglish.com

  5. Slide 5 • Biomass – various forms • Wood pellets for heating now cheaper than heating oil or liquefied petroleum gases in the UK • Ethanol now cheaper than petrol • Burning biomass reduces greenhouse gas emissions by more than 90%  Macmillan Publishers Ltd 2005Taken from the Business and ESP section in www.onestopenglish.com


  6. Slide 6 • Hydrogen fuel cell buses piloted in London. • Power stations experimenting with biomass plus fossil fuels. • Ethanol easy biomass to use – added to petrol and used in cars. • Ethanol fermented from plants high in sugar. • Other forms of biomass: cow-dung, chicken litter and bedding, olive oil cake, methane from agricultural waste.  Macmillan Publishers Ltd 2005Taken from the Business and ESP section in www.onestopenglish.com