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Ballard makes hydrogen fuel cell engines that turn hydrogen gas into electricity to power buses, trucks, trains, ships, and stationary power systems.
Ballard Power Systems makes the engines that let big vehicles run on hydrogen instead of diesel. A fuel cell works like a battery that never needs recharging: hydrogen gas flows in, mixes with oxygen from the air, and produces electricity, with water and heat as the only exhaust. Ballard designs, builds, and services these fuel cell engines. Its main customers are makers of buses, trucks, trains, and ships, plus companies that need reliable backup or stationary power.

Most of Ballard's money comes from selling fuel cell products and providing service and engineering work. The appeal for customers is clear: hydrogen vehicles refuel fast, drive long distances, and emit no carbon — which matters for transit agencies and freight fleets under pressure to cut pollution. The catch is that hydrogen fuel and refueling stations are still scarce and expensive, so the market grows slowly, and Ballard has lost money for years while waiting for the hydrogen economy to scale up. Its strategy now leans on heavy-duty markets where batteries struggle, especially buses and trucks. Ballard has partnered with truck makers including Volvo and Ford on hydrogen-powered commercial vehicles, and it sold its rail business to Caterpillar-backed Progress Rail while keeping a stake in the fuel cell joint venture there. Competition is fierce from other fuel cell makers and from battery-electric trucks, which are cheaper to run where charging is available. A big part of the bet is Europe and China, where governments are pushing hydrogen harder.
The hard truth is that Ballard's future depends less on its own engineering than on whether hydrogen fueling networks and cheap green hydrogen arrive. Until then, it burns cash to fund research and manufacturing, and its revenue swings with a handful of large orders. That makes it a speculative company: a real technology with real customers, but a payoff that hinges on an industry still finding its feet.
Saved answer · last researched 14 Nov 2026