MARCELLUS/UTICA REGION: Construction worker “lucky to be alive” following incident at Wellsburg Bridge site; OTHER U.S. REGIONS: DTE Energy extends net zero goal to include gas company; Minnesota sues Exxon, Koch over climate change; NATIONAL: U.S. commercial crude oil inventories reach all-time high; Oil at $30 may be enough to revive shale activity, say drillers; Shale fracking returns, tapping huge glut of idled equipment; INTERNATIONAL: BP sells petrochemicals business to Ineos for $5 billion; India courts foreign investment to boost natural gas use.