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

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

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 2005 Taken from the Business and ESP section in www.onestopenglish.com

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

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 2005 Taken from the Business and ESP section in www.onestopenglish.com

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 2005 Taken from the Business and ESP section in www.onestopenglish.com