( ( Some people ) ( ( have ( asked ( why ( hydropower ( ( is not ) ( eligible ( to ( ( earn ( renewable ( energy credits ) ) ) ( in ( most ( RPS proposals ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT Some) (NNS people)) (VP (VBP have) (VP (VBN asked) (SBAR (WHADVP (WRB why)) (S (NP (NN hydropower)) (VP (VBZ is) (RB not) (ADJP (JJ eligible) (S (VP (TO to) (VP (VB earn) (NP (JJ renewable) (NN energy) (NNS credits)) (PP (IN in) (NP (JJS most) (NNP RPS) (NNS proposals)))))))))))) (. .)))
Some people have asked why hydropower is not eligible to earn renewable energy credits in most RPS proposals.
(ROOT (S (NP (NNP Hydropower)) (VP (VBZ is) (NP (NP (DT the) (ADJP (RBS most) (RB widely) (VBN used)) (NN form)) (PP (IN of) (NP (NP (JJ renewable) (NN energy)) (PP (IN in) (NP (DT the) (NN world))))))) (. .)))