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Class 8 truck makers said they are offering electronically controlled air disc brakes as an option in 2007 models, promoting them as safer and easier to maintain than the drum brakes most U.S. heavy trucks use.

The Senate last week weakened legislation that would have set mileage standards for heavy trucks, instead ordering an 18-month study of large-truck fuel economy before the government can set such standards.

Crude oil fell back by almost $1 a barrel following an Energy Department report that showed oil inventories jumped much higher than expectations last week, Bloomberg reported.

A Senate committee approved $28 billion in tax breaks Tuesday to underwrite renewable fuels and “clean coal” technology, but the full Senate cut back provisions that would greatly expand diesel fuel made from coal, the New York Times reported.

Crude oil futures rose to a nine-month high Tuesday, closing at $69.10 a barrel, the highest New York Mercantile Exchange closing price since Sept. 1, Bloomberg reported.

WASHINGTON — Congressional Democrats said steps need to be taken to ensure that U.S. consumers are not getting shortchanged by “hot” fuel, but representatives of the fuel retailing industry said adjusting sales by temperature was unnecessary and would hurt small businesses.

New York City Mayor Michael Bloomberg announced a change in his congestion pricing proposal, saying trucks meeting federal engine emission standards would be charged $7 to enter Manhattan at peak times, rather than $21.

DHL has bought a 49% stake in a Miami air cargo company and extended its contract with the company through 2019, the company said.