Bottas is realistically Hamilton's only remaining challenger this season, but must make up a 63-point deficit over the remaining seven races, starting with Singapore where the Brit took one of his more dominant victories 12 months ago.
Having faded from the fight in 2017 and never really featuring last year, Bottas can feel the weight of momentum behind him, having secured another year at the Silver Arrows as well.
And the Finn says he will not give up until Hamilton is crowned the champion.
"It's definitely a better feeling for the end of the year," he said. "I also feel very good support from the team and the points gap between me and Lewis is not night and day.
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