When It Comes to Buses, Will Hydrogen or Electric Win?

on the road globally, concentrated in three countries: Korea, the US , and Japan. While there remain several hydrogen fuel cell cars available on the market, made by the likes of Toyota and Hyundai, they tend to be more expensive than battery electric cars and can currently be difficult to fuel: Hydrogen is costly to buy, and there are far fewer refueling stations than recharging points in most places.

Advantages of hydrogen include shorter refueling times and an often larger tank range. But hydrogen technology and infrastructure is more expensive, says Collins, while the skill sets in the industry for using electric buses are also likely higher than for hydrogen. Dixon also notes that one concern about hydrogen has always been its safety. “It's got quite wide flammability limits, and it's notoriously difficult to keep in a pressurized container without it leaking,” he says.

Some regions have become early adopters of hydrogen. Aberdeen has become a hydrogen hub after the council put in hydrogen filling stations which refuel road sweepers and waste trucks as well as buses and cars. The US has announcedto support the rollout of hydrogen refueling infrastructure, although electric buses are currently far more common.

Currently, however, the vast majority of the world’s hydrogen supply comes from simply burning fossil fuels. In theory, blue hydrogen would allow for net zero emissions, but in practice studies have shown that emissions. “The range of the proportion of emissions that are captured is normally somewhere between 40 and 80 percent presently,” says Dixon.

Electrify? Electricity is anything but clean 😭

- It is unlikely that FCEV's will ever be able to compete with BEV's The inefficiencies of hydrolysis, and the hazards associated with hydrogen transport in tanks, are challenging to overcome. Battery tech is improving every year, but H2 bonds of water are a constant BEV wins. -

hydrogen

Do you have 5 minutes to receive the word of our lord biodiesel?

This is not VHS/Betamax. We can have both.

We need to figure out how to cheaply and easily create graphene.

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