Bio-fuel sale in 2007 expected to reach 6.6 mln km Jakarta (ANTARA News) - State-owned oil/gas company Pertamina has projected the volume of bio-fuel sale in 2007 at 6.6 million kiloliters, Achmad Faizal, marketing director of the company, said here Saturday. State electricity company PLN is expected to become the biggest consumer of bio-fuel by absorbing 2.1 million kiloliters of this alternative energy source next year, according to Faizal.