PAPENBURG, Germany — Top officials of DaimlerChrysler’s truck division said that the company would definitely use selective catalytic reduction technology in its trucks to meet new U.S. emission rules, beginning with the 2010 models.

SAN FRANCISCO — The U.S. petroleum industry may be unable to deliver to all parts of the nation diesel fuel with low enough sulfur content to meet new federal pollution rules, industry executives told a fuels conference here.

GOTHENBERG, Sweden — Top officials of the world’s largest producer of heavy-duty diesel truck engines said that selective catalytic reduction is the sole technology the industry has found that can meet the tighter emission rules that will go into effect in the United States in 2010.

HANOVER, Germany — Demand for new heavy-duty trucks in North America has grown to 300,000 units for this year, but supply shortages and production constraints will limit sales by truck makers to no more than 250,000, according to Rainer Schmueckle, chief executive officer of Freightliner LLC.

HANOVER, Germany — Freightliner LLC has begun a program to voluntarily upgrade 30,000 of the earliest engines that its Detroit Diesel Corp. subsidiary produced beginning with the 2003 model year to comply with new emissions rules in the United States.

STUTTGART, Germany — DaimlerChrysler, the world’s largest truck maker, still intends to use selective catalytic reduction for its Freightliner LLC vehicles to meet stricter U.S. emissions rules in 2010, a top executive said here last week.

Click here to write a Letter to the Editor.FORT LAUDERDALE, Fla. — The Diesel Engine Emissions Summit II showed just how quickly the trucking industry has learned how to live with the new federal laws governing heavy-duty diesel engine emissions. And with that knowledge, the attendees were shown, comes possible leverage.