Truckers in the Port of Oakland grabbed headlines last week when they demanded an extension — and extra funding — to a January 1st deadline. That's when they're supposed to upgrade their engines to meet California pollution standards.

Meanwhile, general freight and construction truck drivers face a separate deadline in January to start replacing their vehicles or install filters that can cost as much as a truck. That rule applies to most of the big rigs on the state's roads, but it's an especially heavy burden for small operators.

The California Report's Chris Richard has more.