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•  The Financial Times has an interview with DoorDash CEO Tony Xu in which he says that his company has two priorities - expanding beyond the restaurant delivery segment, and expanding outside the US.

In the US, that includes a growing focus on the supermarket delivery space.

And, the FT notes, DoorDash has the resources to achieve these goals - more than $800 million in free cash flow.

Some estimates say that DoorDash currently has close to 60 percent of the US restaurant delivery business.

•  From The Verge:

"Amazon is making plans to produce hydrogen fuel at its fulfillment centers. The retail behemoth partnered with hydrogen company Plug Power to install the first electrolyzer — equipment that can split water molecules to produce hydrogen — at a fulfillment center in Aurora, Colorado.

"The electrolyzer will make fuel for around 225 fork lift trucks at the site, although Plug says it has the capacity to fuel up to 400 hydrogen fuel cell-powered forklifts. This is the first time Amazon has tried to make its own hydrogen on site, and it’s not likely to be the last."

The story goes on:

"Hydrogen is supposed to be a cleaner-burning alternative to fossil fuels, which is why Amazon is using it at its warehouses. But the potential environmental benefits are still hard to measure, and depend a lot on how policymakers and companies like Amazon shape the supply chain for hydrogen.

"Hydrogen produces water vapor instead of greenhouse gas emissions during combustion, a trait that’s made it more attractive to companies and governments working to meet climate goals. The big problem they need to tackle is cleaning up the process of making hydrogen in the first place. Today, most of it is made using fossil fuels, primarily through a reaction between steam and methane. The process releases planet-heating carbon dioxide. Methane leaks are another problem since methane — also called natural gas — is an even more potent greenhouse gas than CO2.

"Plug tries to solve those problems by using electrolyzers to produce hydrogen. Instead of using methane, it uses electricity to split water into hydrogen and oxygen. If that electricity is generated by renewable sources of energy like wind or solar, it’s called green hydrogen. While this method gets rid of pollution, it’s still much more expensive than making hydrogen the dirty way."