Car trydan: Gwahaniaeth rhwng fersiynau

Cychwynodd gwneuthurwr ceir trydan [[Tesla Motors]], [[Califfornia]] ar gar trydan [[Tesla Roadster]] yn 2004 a chyrhaeddodd y cwsmer yn 2008. Erbyn Mawrth 2012 roedd wedi gwerthu 2,250 ''Roadsters'' a hynny mewn 31 o wledydd; nifer bychan iawn o'i gymharu a'r ceir petrol a werthwyd yr amser hwnnw.<ref name=TRSalesMar12>{{cite news|url=http://www.detroitnews.com/article/20120509/AUTO0104/205090454/1148/rss25|title=''Tesla to deliver first Model S electric by June''|first=David |last=Shepardson|work=''The Detroit News'' |date=2012-05-09|accessdate=2012-05-15}}</ref> Yna yng Ngorffennaf 2009 lansiwyd y [[Mitsubishi i MiEV]] i gmnioeddgwmnioedd yn [[Japan]] ac i gwsmeriaid unigol yn Ebrill 2010.<ref>{{cite web|url=http://www.greencarcongress.com/2009/06/imiev-20090605.html|title=''Mitsubishi Motors Begins Production of i-MiEV; Targeting 1,400 Units in Fiscal 2009''|publisher=Green Car Congress|date=2009-06-05|accessdate=2010-04-04}}</ref><ref name=AP100331>{{cite news |title=''Japanese Start Buying Affordable Electric Cars'' |url=http://seattletimes.nwsource.com/html/businesstechnology/2011495208_apasjapanelectriccar.html?syndication=rss |agency=Associated Press |first=Yuri |last=Kageyama |date=2010-03-31 |newspaper=The Seattle Times |accessdate=2010-04-24}}</ref><ref name=Reuters100330>{{cite news|url=http://www.reuters.com/article/idUSTOE62T09V20100330 |title=''Mitsubishi Motors lowers price of electric i-MiEV'' |date=2010-03-30 |author=Chang-Ran Kim|publisher=Reuters|accessdate=2010-04-25 }}</ref> ac i gwsmeriaid yn [[Awstralia]] yng Ngorffennaf 2010 ar brydles.<ref name=AUST10>{{cite web|url=http://www.greencarcongress.com/2010/06/imiev-20100602.html#more|title=''Mitsubishi Motors to Begin Shipping i-MiEV to Australia in July; 2nd Market Outside Japan''|publisher=Green Car Congress|date=2010-06-02|accessdate=2010-06-02}}</ref> Cychwynwyd allforio'r ''Nissan Leaf'' o Japan i'r Unol Daleithiau America yn Rhagfyr 2010.<ref name=JapanDeliver1>{{cite news|url=http://www.thegreencarwebsite.co.uk/blog/index.php/2010/12/22/nissan-delivers-first-leaf-in-japan/|title=''Nissan delivers first Leaf in Japan''|publisher=The Green Car Website|date=2020-12-22|accessdate=2010-12-23}}</ref><ref name=LaunchUS>{{cite news|url=http://www.prnewswire.com/news-releases/nissan-makes-history-with-delivery-of-worlds-first-100-electric-nissan-leaf-to-california-consumer-111725479.html?utm_source=twitterfeed&utm_medium=twitter|title=''Nissan Makes History With Delivery of World's First 100% Electric Nissan Leaf to California Consumer''|agency=PR Newswire|author=Nissan|date=2010-12-11|accessdate=2010-12-11}}</ref> ac yna yn 2011 i nifer o wledydd Ewropeaidd a Chanada.<ref name=DeliveriesEU>{{cite web|url=http://www.themanufacturer.com/uk/content/12747/European_Investment_Bank_invests_in_Nissan's_LEAF_car|title=''European Investment Bank invests in Nissan's LEAF car'' |author=Shelley DeBere|publisher=The Manufacturer|date=2011-11-09|accessdate=2011-12-04}}{{dead link|date=July 2013}}</ref><ref name=CANissan>{{cite web|url=http://www.nissaninthenews.com/first-nissan-leaf-ev-arrives-in-canada/|title=''First Nissan Leaf EV Arrives In Canada''|publisher=Nissan in the News|date=2011-07-29|accessdate=2011-07-31}}</ref>

Er gwaethaf agwedd draddodiadol negyddol Unol Daleithiau America yn erbyn lleihau Carboncarbon Deuocsiddeuocsid, yn 2011 gosododd yr Arlywydd [[Barack Obama]] darged o un filiwn o geir trydan ar ffyrdd yr UDA erbyn 2015.<ref>{{cite journal|url= http://www.scientificamerican.com/article.cfm?id=one-million-electric-vehicles-by-2015 |title=''Raising the Volt-Age: Is Obama's Goal of 1 Million Electric Vehicles on U.S. Highways by 2015 Realistic?'' |journal=Scientific American |date=2011-02-18 |accessdate=2012-10-22 }}</ref> Ymhlith yr amcanion dros wneud hyn roedd lleihau dibyniaeth y wlad ar [[olew ffosil|olew]] ac er mwyn sicrhau eu bônt yn arwain y decholeg er mwyn allforio ceir."<ref>{{cite web|url=http://www1.eere.energy.gov/vehiclesandfuels/pdfs/1_million_electric_vehicles_rpt.pdf |title=One Million Electric Vehicles By 2015 - February 2011 Status Report |publisher=U.S. Department of Energy |accessdate=2012-10-22 }}</ref>

Yn 2012 a 2013 daeth y canlynol i'r farchnad: BMW ActiveE, Coda, Renault Fluence Z.E., Tesla Model S, Honda Fit EV, Toyota RAV4 EV, Renault Zoe, Roewe E50, Mahindra e2o, Chevrolet Spark EV, Fiat 500e, Volkswagen e-Up!, a'r BMW i3. Gwerthwyd dros 50,000 o'r Nissan Leaf erbyn Chwefror 2013<ref name=Leaf50K>{{cite press release|url=http://nissannews.com/en-US/nissan/usa/releases/nissan-leaf-smashes-50-000-global-sales-milestone|title=Nissan Leaf Smashes 50,000 Global Sales Milestone|publisher=Nissan Media Room|date=2013-02-14|accessdate=2013-02-15}}</ref> a 100,000 erbyn Ionawr 2014.<ref name=Leaf100K>{{cite news|url=http://www.automotiveworld.com/news-releases/nissan-leaf-global-sales-reach-100000-units/ |title=''Nissan LEAF global sales reach 100,000 units'' |author=Nissan News Release|work=Automotive World|date=2014-01-20|accessdate=2014-01-20}}</ref>