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Cummins Inc. said its third-quarter profit slipped from a year ago on lower engine demand.

It’s no secret that underinflated tires consume more fuel. Given that the price of diesel is rising more often than falling these days, today’s fleet maintenance managers must check tire pressure more regularly — and then actually do something about the results.

Manufacturing activity in the Philadelphia region expanded in October, the Federal Reserve Bank of Philadelphia said Thursday.

An hours-of-service waiting time exemption for drivers of “specially constructed” oil-field operations trucks should be extended to include such other oil and gas operations trucks such as those that deliver sand and water, several motor carriers and trade association officials told federal regulators.

Cummins Inc. said it has received federal certification that its new 15-liter engine meets the coming 2014 greenhouse-gas standards, the latest sign that North America’s heavy-duty truck and engine makers are making headway in preparing for the new rule.

An index of the U.S. economy’s service sector improved in September, the Institute for Supply Management said Wednesday.

Cummins Inc. has received the first Environmental Protection Agency certification for meeting 2014 fuel efficiency and greenhouse gas rules, the engine maker said Monday.

Manufacturing activity in the Philadelphia region contracted for a fifth straight month in September, the Federal Reserve Bank of Philadelphia said Thursday.

Let me understand you correctly: If a driver runs out of time 30 minutes from the yard and is on an electronic onboard recorder, “He either spends the night 20 miles from home or, more likely, breaks the law and comes to the yard anyway.”