Walker 82264 Calcat Obdii Catalytic Converter on 2040-parts.com

Rosberg & Hamilton make it a Mercedes front row: Spanish Grand Prix (2013)

Maybe Lewis Hamilton wasn’t as daft as we all thought jumping ship from McLaren and heading off to Mercedes F1. When we all thought the Mercedes F1 team didn’t have a chance of doing anything special in 2013, Hamilton and Rosberg have proved the 2013 car is a strong contender, and in final qualifying for tomorrow’s Spanish Grand Prix they’ve locked out the front row. Hamilton’s team mate Rosberg beat him to pole position – his second pole in a row – with Red Bull’s Vettel having to settle for third place alongside Kimi Raikkonen’s Lotus.

One Lap of the Web: preservation-class edition

-- This video about a preserved Volkswagen dealership in Brazil is in Portuguese, and even if you don't know Portuguese, it will still make sense to you if you're a car person. (Or, you can activate the English subtitles on YouTube, as it's an interesting story.) -- What's the best truck for scaling vertical surfaces? That's right, it's the Unimog, and this week there's a 1965 example (that would be the oval-faced version) on the eBays with a rather realistic Buy it Now price.

Hyundai, Kia retract mileage claims

Hyundai and Kia overstated the estimated fuel economy on more than 900,000 U.S. vehicles sold over the past two years and will compensate owners for the faulty claims, a newspaper reported. In addition, the South Korean partners will lower the fuel-economy estimates on most of their 2012 and 2013 models, the Detroit News said.