The word in parentheses describes the idea expressed by...

“...a need to accelerate the development of alternative energy fuel resources in order to ensure energy security and reduce emissions,” - lines 5-7 (contrast)

“‘The common belief that alternative fuels such as biofuels...” - lines 18-19 (result)

“Instead of relying on those silver bullet solutions,”- lines 22-23 (consequence)

“However, these methods have a far higher carbon output than conventional drilling,” - lines 54-55 (reason)

“...the emissions produced during extraction as well as during usage.” - lines 57-58 (addition)