diesel particulate filters

Friday marks deadline to file for extension to comply with Calif. emissions regs

| January 29, 2014

Truck owners have until Friday, Jan. 31, to report to California "good faith" efforts to comply with the state's emissions regs that require older trucks to be retrofitted with particulate matter filters to operate in ...

CARB public meetings clarify proposed rule amendments, hear other ideas

| December 05, 2013

In addition to the previously reported six-month "Good Faith" extension, detail here on proposed new NOx-exempt areas and concurrent extensions, a fast-approaching funding deadline, and more.

Retrofit-DPF sales to satisfy California regulations lag

| August 05, 2013

The total number of verified DPFs sold by companies for diesels operating in California in the first half of 2013 was 3,508 and includes both passive and active DPFs.

Running around Cali: Martin Jez’ 1988 Pete cabover

| January 19, 2013

California-based owner-operator Jez realized he'd need to upgrade his emissions system in the near term -- he delayed the need by, well, buying old.

CARB extends ‘Truck and Bus’ regulation deadline

| January 25, 2012

The deadline has been extended to March 30 from Jan. 31 for fleet owners to supply information about upgrading their trucks.

Win the warranty game

John Baxter | November 02, 2010

There’s no shortage of reasons for invalidating a warranty. Trump them all with proper PM and get your claim honored.

Oil mixology

John Baxter | July 01, 2010

Grasp these points about engine oil additives and leave chemistry to the engineers.

California air agency begins truck rules at ports

| May 18, 2010

Drayage truck owners working California ports and intermodal rail yards face new emissions rules from the California Air Resources Board that carry potential fines. Enforcement, which had been delayed since January, began May 15. CARB’s Port Drayage ...

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