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- Authorities investigating trench collapse that killed worker in Ashburn, Va.
- Worm-like robot burrows underground to cut power line installation costs
- OSHA fines Calif. company for violations that led to fatal trench collapse
- Greenpeace must pay $667 million to Energy Transfer over pipeline protests, jury finds
- Mass. governor slams Trump for ‘dangerous delay’ of $50 million in lead pipe replacement funds