( But ( ( like ( ( ( most other ) ( renewable sources ) ) ( of energy ) ) ) ( , ( hydropower ( ( ( could not ) ( ( compete ( with ( inexpensive ( fossil fuels ) ) ) ) ( at ( the time ) ) ) ) . ) ) ) ) )
(ROOT (S (CC But) (PP (IN like) (NP (NP (ADJP (RBS most) (JJ other)) (NN renewable) (NNS sources)) (PP (IN of) (NP (NN energy))))) (, ,) (NP (NN hydropower)) (VP (MD could) (RB not) (VP (VB compete) (PP (IN with) (NP (JJ inexpensive) (JJ fossil) (NNS fuels))) (PP (IN at) (NP (DT the) (NN time))))) (. .)))
But like most other renewable sources of energy, hydropower could not compete with inexpensive fossil fuels at the time.
(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))))))) (. .)))