What is the sentiment of this news? Please choose an answer from {strong negative/moderately negative/mildly negative/neutral/mildly positive/moderately positive/strong positive}.

Plug Power Inc (NASDAQ: PLUG) is in the green this morning after Amazon.com (NASDAQ: AMZN) Inc struck a deal with the clean energy company to further its sustainability goals. Amazon wants to switch to green hydrogen Amazon wants to power its transportation and building operations with green hydrogen.
moderately positive