Ford Oem 5r3z16006aa Fender on 2040-parts.com

Tips for saving fuel on road trips: What's real and what isn't

Gasoline costs are hovering near $4 a gallon this week, and drivers hitting the highway for the holiday weekend are looking for ways to save. In preparation for Memorial Day, the Consumer Federation of America has released a list of tips that will help you pinch pennies at the pump. Most of these are the same evergreen recommendations that pop up for every road-trip holiday, and some of them are getting a bit stale.

McLaren P1: Paris 2012

The McLaren P1 – spiritual successor to the iconic McLaren F1 – has been publicly revealed at the 2012 Paris Motor Show. Still, we do have more details on the P1 concept that McLaren say will turn in to a production car in 2013 before it finds its way in to the garages of wealthy McLaren customers in 2014. The McLaren P1 is designed to be “…the best driver’s car in the world on road and track” according to McLaren, which is setting the bar a bit higher than high, and the concept P1 at Paris is – at least in terms of what we can see – 95 per cent of what the production model will be.

BMW’s one-off M5 CSL (2009) – a helluva way to go

This is a one-off BMW M5 with close to 600bhp. Built to commemorate the 25th anniversary of BMW’s iconic M5 super-saloon, it’s a stripped-out lightweight special that shows what M Division could have done if it hadn’t built the X5 M and X6 M. Let’s start with the engine.