Sebastien Buemi is 23 points behind series leader Nelson Piquet Jr, and he knows that securing pole position for the first Visa London ePrix is key to keeping his title challenge alive.<br /><br />Subscribe here for more highlights, interviews and great updates from FIA Formula E Championship YouTube channel: http://goo.gl/6KTisW<br /><br />Official Website: http://www.fiaformulae.com/<br />Facebook: https://www.facebook.com/fiaformulae<br />Twitter: https://twitter.com/FIAformulaE <br />G+: https://plus.google.com/u/1/b/106515046241432367902/+FIAFormulaE/posts?pageId=106515046241432367902
