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WASHINGTON — If Congress reduces transportation spending to the level of revenue flowing into the Highway Trust Fund, as some in Congress are suggesting, states are likely to spend their federal money to maintain existing roads and raise money for new highways from tolls and private investors, a new report said.

Shipments measured by the Cass Freight Index declined 1.1% in August from the same month last year and from July 2012, reflecting the steadily weakening economic pace.

The amount of biodiesel products required to be included in diesel fuel markets was increased to 1.28 billion gallons in 2013 from the current 1 billion gallons, the Environmental Protection Agency said.

Manufacturing activity in the New York region contracted in September, the Federal Reserve Bank of New York said Monday.

Federal regulators have shut down HP Distribution LLP and HP Distribution LLC, two Kansas City, Kan., trucking companies that operate under one roof, for “flagrantly falsifying” log books and violating federal hours-of-service rules.

Data Dis Inc. said it has integrated its fleet maintenance software with onboard communications provider PeopleNet Communications Corp.

Eaton Corp. said Monday it has aligned with the California Hybrid Truck and Bus Voucher Incentive Project to help California-based fleets purchase medium and heavy-duty hybrid trucks.