Bosses at world's most ambitious clean coal plant kept problems secret for years

Disclosure regarding the $7.5bn Kemper plant in Mississippi throws further cloud over promise of clean coal energyExecutives at the world’s most ambitious “clean coal” plant knew for years about serious design flaws and budget problems but sought to withhold key information from regulators before their plans collapsed, according to documents obtained by the Guardian.The Kemper plant in Mississippi – held up as the global model for a new generation of “clean coal&rdq