TAMPA, Fla. — Trucking executives are not doing enough to attract talented, younger technicians to the increasingly complex field of truck maintenance, said Darry Stuart, incoming chairman of the Technology & Maintenance Council.

TAMPA, Fla. — A Technology & Maintenance Council task force said several provisions of the proposed federal requirement for electronic onboard recorders need clarification, and the rule’s required data-display equipment could be a costly and ineffective expense for trucking companies.

The Environmental Protection Agency said it has increased enforcement of its fuel-pump labeling rule after finding that the majority of retail diesel pumps it tested did not display ultra-low-sulfur-diesel labels, even though they were dispensing ULSD.

Trucks operating in California would be required to meet tighter emission standards under a plan proposed by Gov. Arnold Schwarzenegger (R) to spend $3.1 billion in bond money to improve four key freight corridors.

As the federal government moved last week to help states promote private transportation investment, several states in the Northeast took initial steps toward adding toll roads or privatizing existing highways.

Engine manufacturers and trucking officials said they recognize the need for onboard diagnostic systems to monitor the performance of emission-treatment systems because diesel engines are growing in complexity.

New Canadian hours-of-service rules for commercial drivers took effect Monday, but officials said it was not clear when most provinces would adopt and enforce them.

The Environmental Protection Agency issued guidelines to engine manufacturers governing the use of new technology to meet 2010 emission standards. It also said it will approve pollution rules governing railroad emissions in 2007.

The Customs and Border Protection Agency said it had increased security measures at the nation’s land borders, while truckers and other transportation groups said overlapping security requirements at ports, airports and railroads slowed the flow and movement of goods.

More than a year after Minnesota’s biodiesel law took effect — drawing attention to quality-control problems with the production and distribution of the typically soy-based fuel — several states across the nation passed tax credits to encourage the use of biodiesel and considered legislation to establish their own statewide fuel mandates.