Liam Denning, Columnist

Walmart Throws a Pipe Wrench Into Tesla’s Works

A lawsuit about its solar business resurrects questions about the automaker’s judgment.

The controversial acquisition of SolarCity gets a rehearing of sorts.

Photographer: Michael Nagle/Bloomberg

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Solar-power developers often talk about a “pipeline” of projects, but this seems a bit too literal:

That was one of the more choice details from Walmart Inc.’s lawsuit against Tesla Inc. accusing it of “widespread, systemic negligence” with regards to solar-panel installations on more than 240 of the retailer’s stores, including seven connected to fires. And it is the choiceness of the details that matters here.