April RACE TECH  
	                    
	                    
	                    
	                         Issue 245 
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TUNNEL VISION:  It might sound bonkers, but a disused Victorian-era railway tunnel is poised to shake-up the way we go aerodynamic testing. Mark Skewis explainsF1 2021 KEY CHANGES:  This season’s new cars feature small technical changes from their predecessors, but a seismic shift in philosophy. Our Expert Witness, an F1 insider who must retain his anonymity, explainsA mix of the pandemic and the countdown to a new era of F1 in 2022has made for a close-season like no other, as Mercedes-AMG F1 technical director James Allison explains. By Mark Skewis 
WHY CARBON-NEUTRAL ICE IS NO DREAM:  Could renewable fuels safeguard the future of motorsport as we know it? Chris Pickering speaks to P1 Racing Fuels about the challenges and opportunities presented by this technologyFORMULA 1:  Is this the car to end McLaren’s win drought? Tony Dodgins reports on the launch of the MCL35MASI CONNECT:  From F1’s vision to attracting apprentice-level talent, James Bailey says ASI Connect is the (virtual) place to be in MarchPOWER TECH:  Formula E technology has reached its zenith as teams enter the new season. Chris Pickering quizzes project leader Tristan Summerscale about Audi’s new integrated MGU inverter unit, which is producing some eye-wateringly impressive efficiencyChris Pickering talks to the head of R&D at GreenGT, the company selected as sole powertrain supplier for Mission H24’s hydrogen prototypes to be introduced at the 2024 Le Mans 24 Hours