The 2014 engines are a big change from last year's V8s Renault Enlarge Honda's decision to return to the sport in 2015, one year after this year's new engine regulations have taken hold, comes with positives and negatives, according to rival manufacturer Renault. This season will see the start of a new era of Formula One engines, with V6 turbos and more powerful Energy Recovery Systems replacing the outgoing V8s. Renault, Ferrari and Mercedes will supply the grid this year, with Honda joining McLaren with a works deal in 2015. Renault's head of track operations, Remi Taffin, believes there are positives to joining a year later because it allows focus to remain solely on 2015 without the...
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