It’snotjustaroma – Britishengineersbuiltacarthatrunsentirelyoncoffeebeansandbroketheworldspeedrecordforacarpoweredbyorganicwaste。
EarlierthismonthamodifiedRoverSD1 averaged 66.5mphattheElvingtonRaceTracknearYork, smashingthepreviousrecordof 47mphachievedbyaUSteamthatbuiltacarfuelledbywoodpellets。
EngineerMartinBacon, withVolunteersofDurham, strippedouttheoldcarandrefitteditwithagasifierandfilters, whichturnswastecoffeegranulesintoenergytodrivetheengine。
Thecarisnotthefirsttobepoweredbycoffee, though. MrBaconandhisteambasedthedesignoftheRoveronacoffee-poweredVolkswagenSiroccobuiltforBBC’sscienceshowBangGoesTheTheory。
ThatcarwasdrivenfromLondontoManchesterinMarchlastyearandstraightintotheGuinnessBookofRecords, asnocarpoweredbywastematerialhadevertravelledthatdistancebefore。
BangGoesTheTheorypresenterJemStansfieldexplainedthatthecarsdemonstrateagenuinealternativetopoweringenginesusingfossilfuels。
Hesays: "It’slikeanoldcharcoalburner. Thecoffeeisheateduplikecharcoal. Thenthecombustiongases, whicharegenerallycarbondioxideandwatervapour, arereducedbyhotcarbontocarbonmonoxideandhydrogen. Thisisthenfilteredbyacyclonefilterandarockwoolfilterandcooleddownbyaradiator."
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