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Dominion Energy announced Sunday it has agreed to sell its natural gas transmission and storage network to Warren Buffett's Berkshire Hathaway in a deal valued at $10 billion, including the assumption of debt.

Why it matters: The deal comes as Duke Energy Corp. and Dominion Energy announced they are canceling their plans for the $8 billion Atlantic Coast Pipeline following a Supreme Court ruling. The ruling removed major hurdles for the companies, but "recent developments have created an unacceptable layer of uncertainty and anticipated delays" for the project.

Between the lines per Axios' Ben Geman: The Atlantic Coast Pipeline project has been among the high-profile battles over fossil fuel infrastructure that have been intensifying in recent years.

  • Its demise is a win for environmental groups and shows how energy companies face continued hurdles to building big pipelines and other projects, despite White House efforts to speed up approvals and ease environmental reviews.
  • Delays of the project pushed costs to increase, CNBC reports.

The state of play: This is Berkshire Hathaway's first major deal since the coronavirus pandemic hit the U.S., per CNBC.

  • Buffett is spending $4 billion to buy Dominion Energy's national gas transmission and storage assets.
  • Berkshire Hathaway previously carried 8% of all natural gas transmission in the U.S., but will now carry 18%.

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Marathon to sell Speedway gas stations to 7-Eleven for $21 billion

Photo: Bruce Bennett/Getty Images

Refining giant Marathon Petroleum Corp. announced late Sunday that it's selling its Speedway retail gasoline stations and convenience stores to 7-Eleven, Inc. in a $21 billion cash deal.

Why it matters: It's the year's biggest energy deal thus far, the Wall Street Journal notes.

Pelosi, Schumer demand postmaster general reverse USPS cuts ahead of election

Schumer and Pelosi. Photo: Alex Wong/Getty Images

House Speaker Nancy Pelosi (D-Calif.) and Senate Minority Leader Chuck Schumer sent a letter to Postmaster General Louis DeJoy on Thursday calling for the recent Trump appointee to reverse operational changes to the U.S. Postal Service that "threaten the timely delivery of mail" ahead of the 2020 election.

Why it matters: U.S. mail and election infrastructure are facing a test like no other this November, with a record-breaking number of mail-in ballots expected as Americans attempt to vote in the midst of a pandemic.

32 mins ago - Science

CRISPR co-discoverer on the gene editor's pandemic push

Photo illustration: Aïda Amer/Axios. Photos: Brian Ach/Getty Images for Wired and BSIP/UIG via Getty Images

The coronavirus pandemic is accelerating the development of CRISPR-based tests for detecting disease — and highlighting how gene-editing tools might one day fight pandemics, one of its discoverers, Jennifer Doudna, tells Axios.

Why it matters: Testing shortages and backlogs underscore a need for improved mass testing for COVID-19. Diagnostic tests based on CRISPR — which Doudna and colleagues identified in 2012, ushering in the "CRISPR revolution" in genome editing — are being developed for dengue, Zika and other diseases, but a global pandemic is a proving ground for these tools that hold promise for speed and lower costs.