California wants to mix hydrogen with gas to cut climate pollution. Critics say that poses risks

Research shows that burning hydrogen-blended gas into older appliances not designed for it can increase emissions of nitrogen ...
Fleet Equipment Magazine

Q&A: API PC-12 Oil Categories Set Stage for 2027 Engine Changes

API PC-12 engine oil categories CL-4 and FB-4 are advancing toward a 2027 launch. Here’s what the changes mean for fleets, ...