California regulators have released a new proposal to allow the testing of self-driving heavy duty trucks on public roads.

This small electric pickup truck will leave the factory with the bare minimum—but it doesn’t need to stay that way.

From a 6.4L gas V8 to a high-output diesel pulling 19,000 lbs., the 2025 Ram HD trucks tested their power and control on the Davis Dam Grade in real-world conditions.