Computer maker Acer has launched two new energy-efficient, recyclable, and biodegradable notebooks, Cnet has reported. As part of its green initiatives, the company said it had built the Acer Aspire 3811TZ and Aspire 3811TZG to be free of PVCs (polyvinyl chloride) and BFRs (brominated flame retardants). Acer claims both models can save up to 40% of the energy consumption of traditional notebooks, providing more than 8 hours of battery life.