Estimating the Air Pollution Costs of transport Modes

Estimating the Air Pollution Costs of transport Modes

Damage from air pollution appears not to justify large reductions in automobile travel in typical US urban areas; but it does justify significant expenditure on control of pollution. But local conditions vary widely, and some categories of pollution were not covered

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Economies of Scale in Bus transport: I. Some British Municipal Results

This study was prompted by the proposal to merge a number of municipal transport undertakings into Passenger transport Authorities. The authors analyse figures showing various working expenses per bus-mile, and find no evidence of scale economies. They point out, however, that the P.T.A.s will be larger than any undertaking in their sample, and that a different conclusion might conceivably be reached if data were available on costs per passenger-mile. Extension of one-man operation appears to offer greater scope for economies than amalgamation.

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