Tar-rich coal is an unconventional hydrocarbon resource that integrates properties of coal, oil, and gas, offering potential for green and low‑carbon utilization in the coal industry. However, its ...

When John Holbrook first started working as a pipefitter in the early 1990s, jobs were easy to come by in his corner of northeastern Kentucky. A giant iron and steel mill routinely needed maintenance ...

Support CleanTechnica's work through a Substack subscription, on Patreon, or on Stripe. Help us produce all of the high-quality, original content we publish week after week despite the challenges of ...