This paper reviews potential applications of environmental taxes in the ene
rgy sector Theoretical and practical arguments for using environmental taxe
s are reviewed, and possible arrangements outlined for levying environmenta
l taxes on energy. In contrast to most environmental taxes, taxes on energy
have the potential to raise revenues sufficient to alter the constraints a
nd opportunities in fiscal policy. A carbon tax levied at a rate of pound 2
00 per tonne could raise revenues equivalent to about 11 per cent of total
UK tax receipts, allowing income tax to be halved, or corporation tax aboli
shed Inappropriate use of the revenues, or their unnecessary dissipation, c
an greatly add to the costs of environmental policy. But, environmental tax
es are unlikely reduce the overall excess burden from taxation below the cu
rrent level, and the case for ecotaxes must thus primarily be made in terms
of their environmental benefits.