WASHINGTON -- Tests performed before the deadly blowout of BP's oil well in the Gulf of Mexico should have raised doubts about the cement used to seal the well, but the company and its cementing ...

Halliburton Co. acknowledged that it skipped a critical test on the final formulation of cement used to seal BP’s oil well before it blew out catastrophically in the Gulf of Mexico. The company, which ...

MANILA, Philippines - There is more to proficiency testing for cement than merely establishing the integrity and reliability of the construction material through laboratory processes, the Cement ...

Hours after a presidential commission raised new questions about the safety of the cement mixture intended to temporarily seal BP's Macondo exploration well, oil field service giant Halliburton said ...

SANTA CRUZ — The Los Gatos startup that pledged to turn greenhouse gas into cement has landed its first job: a sidewalk in the city of Santa Cruz. While a relatively small project, the 400-foot ...

Concrete has quietly become one of the planet’s biggest climate problems, yet the material itself has barely changed in a ...

Cement production contributes an estimated 6% of global greenhouse-gas emissions, say scientists who are trying to chip away at the pollution problem. Two start-ups, one in Canada and another in ...