article_snippet: Following one of the grandest overhauls of the sport ahead of the last campaign, the rules and regulations are relatively unchanged for 2015.
article_snippet: Ugly nosecones are thankfully a thing of the past, the Mexican Grand Prix is back on the calendar for the first time in more than two decades, and drivers have been stopped from changing drivers helmet throughout the season.
article_snippet: Under new regulations, Hamilton will be forced to stick with the same helmet design (above) throughout 2015 .