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Elastic recovery for polymer modified bitumen Elastic recovery Elastic recovery after Binders at 25[degrees]C RTFO at 25[degrees]C [%] PmB 25/55-60_1 67.
But it added: "Given uncertainties over the sustainability of some biofuels, and the need for EU level agreement in accounting for the effects of indirect land use change, we have not amended the current overall biofuel supply trajectory set out in the RTFO.
The RTFO will provide all biofuel producers with a valuable incentive to produce the cleanest sustainable biofuels.
As previously mentioned, the RTFO is a standard testing technique to approximate what will happen to the material in the hot mix plant.
A spokesman for the Department of Transport said: "Given uncertainties over the sustainability of some biofuels, and the need for EU level agreement in accounting for the effects of indirect land use change, we have not amended the current overall biofuel supply trajectory set out in the RTFO.
Friends of the Earth claim that rather than reducing climate change emissions, the RTFO could be producing the equivalent emissions to putting an extra 500,000 cars on the road.
And Robert Bailey, Oxfam's biofuels policy lead, said the RTFO should be delayed until the Government could guarantee that biofuels will neither make climate change worse, nor damage the environment and the livelihoods of people in developing countries.
The charity wants the Government to postpone the RTFO until it can prove that it will significantly cut greenhouse emissions.
Analysts have predicted that plants the size of Ensus will not make a return on investment in the UK until the RTFO hits 5%.
Asked about the start date for the RTFO, Prof Watson said, "I would suggest that we would indeed wait until the review is completed.
The stringent sustainability criteria, being developed as part of the RTFO and acknowledged as world-leading, offer market opportunities for UK feedstocks grown under strict assurance schemes.
The workshop will launch the network and link biofuel companies with local authorities so that public/private partnerships can work together to give Wales a head start toward meeting the RTFO.
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