SCR

Reality bites: More from Navistar vocational boot camp

| September 27, 2012

The embattled engine and truck maker is rolling up its sleeves to fix what's gone wrong -- watch for the low-cab-forward LoadStar to debut with a natural gas power plant next year, among other developments.

Icahn demands new Navistar board seats to rectify problems

| September 10, 2012

Navistar expresses "disappointment" in investor Carl Icahn, saying it has strategy to turn the company around.

Six pounds of soot could be lurking in your oil

| August 02, 2012

EGR-only engines put up to six pounds of soot into oil during a 40,000-mile interval.

WSJ says Navistar ready for SCR to meet emissions regs

| July 03, 2012

Navistar will move from EGR and adopt the SCR path taken by its competitors to meet 2010 diesel emissions regulations.

Court rejects EPA’s Navistar engine exemption

Jack Roberts | June 12, 2012

A court rejected the ruling that allowed Navistar to sell heavy-duty diesel engines that don’t comply with emissions standards.

Judge dismisses Navistar SCR emissions suit

| January 23, 2012

Company sought to force the U.S. Environmental Protection Agency to recall 2010 model year engines using selective catalytic reduction.

Oil & 2010 Tech

John Baxter | November 01, 2011

Most manufacturers have yet to extend change intervals, but oil seems to thrive in the new engines.

Navistar sues EPA again over SCR rule

Jack Roberts | July 15, 2011

Navistar alleges nitrogen oxide emissions skyrocket when drivers don't keep diesel exhaust fluid topped off.

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