Battery electric vehicles are the most popular green energy vehicles (“EVs”) right now, with several EV start-ups, along with legacy automakers, throwing their hats into the new EV industry. Another kind of green energy vehicle that has emerged is the hydrogen fuel-cell car or hydrogen fuel car for short. Like electric vehicles, they abandon fossil fuels and the combustion engine for another power source, but instead of a rechargeable battery, hydrogen cars use liquid hydrogen to generate electricity.
The only waste product they emit at the tailpipe is water, making them a suitable replacement for fossil fuel vehicles. However, they are currently a long way from widespread adoption by the masses.
So how do battery electric vehicles (“BEVs”) and hydrogen fuel-cell vehicles compare? For starters, both of them rely on an electric motor to move; however, while EVs use electricity stored in a rechargeable lithium-ion battery to power the motor, hydrogen cars use hydrogen to generate electricity. The hydrogen is fed into a fuel cell at a filling station, a process that’s similar to fueling a gas-powered vehicle and takes just minutes.
The fuel cell contains a liquid with a positively charged anode and a negatively charged cathode on opposite sides, a little like an EV battery. The hydrogen goes through a variety of reactions that split its atoms into protons, which turn to exhaust water and electrons, that then provide power to the motors. Like BEVs, hydrogen cars also have an onboard battery that, in this case, saves power for later use. Since the fuel cell usually sends electricity directly to the motors, the battery doesn’t see as much use as a BEV battery does.
One benefit of hydrogen fuel-cell cars over EVs is that hydrogen cars can go from an empty tank to a full one in only a few minutes. EVs, on the other hand, take hours to fully recharge, making it virtually impossible to go from empty to full at an EV charging station, especially if you are in a hurry. However, hydrogen cars lose a couple of points against EVs as the energy required to get the liquid hydrogen to fuel stations is often generated using fossil fuels, essentially canceling out any green energy gains made by using a hydrogen car.
There is also a small number of public hydrogen pumps (only 45 in the United States), compared to gas stations and EV charging stations. On top of that, hydrogen is fairly expensive, with a full tank for the Toyota Mirai costing around $104 compared to the $11 it costs to fully charge an EV using a home charger.
Both technologies may have a place in the future of green travel, but EVs currently have the edge as they are more user friendly and better for the environment.
EV makers are indeed poised to dominate the transport sector. An example is ev Transportation Services Inc. which manufactures a light-duty vehicle ideal for parking enforcement roles due to its superior impact protection features, high maneuverability and modular bed design.
NOTE TO INVESTORS: The latest news and updates relating to ev Transportation Services Inc. are available in the company’s newsroom at https://ibn.fm/EVTS
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