
Ballard Power Systems manufactures fuel cell engines for hydrogen-powered vehicles, focusing on heavy-duty applications where batteries are less effective. The company earns revenue from engine sales, services, parts, and licensing agreements with vehicle makers. Its shares have surged 295% over the past year, with 90% of the gains occurring this month, reflecting strong investor interest. Despite challenges in hydrogen infrastructure development, Ballard is positioned as a key supplier as the hydrogen vehicle sector grows.