At last, according to autosport, the manufacturers will be allowed to develop their engines
during the 2015 season. That is definitely good news for Ferrari and Renault, although
Mercedes-Benz is not exactly gonna sit back and relax, thus allowing the others to catch up.
Unfortunately, according to the article Honda will not be allowed to develop their engine after
February 28, as they are a new team. For extra info check out the link: http://www.autosport.com/news/report.php/id/117259?source=mostpopular