Companies are wasting a whopping £42 million a year on office space they don't need.

Sebastian Vettel says Red Bull have lost self-belief after failing to replicate last season's dominance so far in 2012. Red Bull won 12 out of 19 races in 2011 and took 18 pole positions to wrap up their second world titles in as many seasons.

The creator of Red Bull, who became one of the world's richest men thanks to the success of the fizzy, caffeine-laden drink, died yesterday in Bangkok of natural causes. Chaleo Yoovidhya was 89.

Red Bull Racing have thrown a Formula One lifeline to Switzerland's Sebastien Buemi by appointing him as their test and reserve driver after he was discarded by sister team Toro Rosso.

The previous day he had spoken of trying to rediscover his mojo, of reinflating the bubble of comfort around himself to emulate his more successful team-mate, Jenson Button.

They carry slogans such as "Unleash the beast", "Bigger, better, faster, stronger", "No half measures" and "Have you got what it takes?" They have names such as Mad Dog, Relentless, AMP and Monster. No extreme-sport event or edgy rock festival is complete without their sponsorship and, according to a recent report by Mintel, almost three-quarters of 16- to 24-year-olds rely on them to keep them going. Currently, the energy-drinks market is worth more than £1bn in the UK alone.

Another one bites the dust. After news on Thursday that the Jamaican sprinter Steve Mullings had tested positive for a masking agent, it was announced yesterday that the former US champion Mike Rodgers had dome the same for a banned stimulant.

Mark Webber has admitted Sunday's team orders saga has no bearing on his future as he is already in "positive" talks with Red Bull regarding a new contract.

Parents are are making their children fat and ruining their teeth by buying them sports or energy drinks and should give them water instead, doctors have warned.

The Austrian energy-drinks company Red Bull has spent a total of £422.4m on Formula One (F1) since buying its team from Ford at the end of 2004, according to new research.

A battle over who owns the brand name Relentless could force Coca-Cola to drop its popular energy drink after the record company behind Joss Stone and K T Tunstall launched court proceedings against the US manufacturer.

Sebastian Vettel has today pledged his future to Red Bull Racing by signing a three-year contract extension.