欧美精品在线第一页,久久av影院,午夜视频在线播放一三,久久91精品久久久久久秒播,成人一区三区,久久综合狠狠综合久久狠狠色综合,成人av一区二区亚洲精,欧美a级在线观看

        Development of batteries essential for breakthrough of electric aircraft: manufacturer representatives

        Source: Xinhua| 2019-03-07 07:26:49|Editor: Yang Yi
        Video PlayerClose

        HELSINKI, March 6 (Xinhua) -- The vistas that aircraft would be going electric soon in the wake of the auto industry transition are not becoming true soon. This was the message sent by representatives of the two leading aircraft manufacturers, Airbus and Boeing in Helsinki on Wednesday.

        Glenn Llewelly, general manager for the Electrification at Airbus, said that "something has to happen in the energy storage side" for electric aircraft really to take off. "We assume that to happen rather than wait it to happen," he said.

        Sean Newsum, director of Environmental Strategy at Boeing, said it would be "a long time away" until electric aircraft would find their way to commercial air transport.

        While Llewelly assured Airbus is working aggressively towards the goal and spends a lot of funds on it, Boeing stressed the need to develop current technology more environmentally conscious. A key solution already available is the use of biofuels, Newsum said.

        The Finnish state-majority owned airline Finnair had invited the two companies for a press event in Helsinki. Finnish media was left with the notion that there is no easy answers to reducing emissions of aircraft.

        In the initial phase electric aircraft would be feasible on short hauls, mainly as a replacement for an automobile or a helicopter.

        Llewellyn noted that, for the Airbus test aircraft E-Fan 1 that crossed the English channel in 2015, the battery life was one hour. The unmanned Airbus Zephyr solar powered batteries could last 25 days last summer, he said.

        The intention is not that aircraft passenger capacity would be reduced to make space for large batteries, but they have to develop in size and power supply, Llewellyn said.

        The Finnish state-owned airport operating company Finavia is currently involved in a project that tests the loading of an electric aircraft in cold Arctic conditions.

        Newsum noted that biofuel for aircraft is already technically reliable and the global supply of biomass is sufficient as a base for production. "But an expansion of output in an economically viable way is a challenge."

        The Finnish energy company Neste is producing biofuel also for aircraft. It is using for that waste cooking oil and other carbage. However, Finnair is currently able to use biofuel only in flights that originate in Los Angeles.

        Arja Suominen, senior vice president for communications at Finnair, said that the oil industry is producing biofuel for the aircraft in sequences and availability in restricted biofuel is also much more expensive than standard fuel.

        In addition, in the Nordic area, Sweden last year introduced an environmental tax levied on airline passengers beginning their flights in Sweden. In Finland such a tax has been suggested by the Finnish Green Party, but no steps have been taken.

        Finnair CEO Topi Manner recently said Finnair does not consider such a passenger tax sensible. Manner said that it would make no difference between a flight on an environmentally bad, older aircraft as opposed to the latest models. Environmentally conscious passengers should rather have the opportunity to choose a carrier with least polluting aircraft.

        Airlines have launched programs where the customers can directly pay for the environmental damage the flight has caused.

        Finnair recently introduced a system called "Push for change". A domestic flight passenger can pay one euro, a European short haul customer two euros and a long haul customer six euros. The money will be used for a project in Africa to reduce emissions.

        TOP STORIES
        EDITOR’S CHOICE
        MOST VIEWED
        EXPLORE XINHUANET
        010020070750000000000000011100001378743751
        主站蜘蛛池模板: 国产91免费在线| 狠狠色狠狠色综合婷婷tag| 久久久久久国产一区二区三区| 国产伦精品一区二区三区免| 国产一区二区在线精品| 九九视频69精品视频秋欲浓| 亚洲va国产2019| 88国产精品视频一区二区三区| 日本高清不卡二区| 亚洲乱码av一区二区三区中文在线:| 国产精品九九九九九九| 国产91综合一区在线观看| 91社区国产高清| 欧美系列一区| 国产高潮国产高潮久久久91| 国产一区二区在线精品| 不卡在线一区二区| 日本少妇高潮xxxxⅹ| 99国精视频一区一区一三| 精品国产乱码久久久久久图片| 国产欧美一区二区三区在线| 精品国产区| 一级久久精品| 日本三级香港三级网站| 黄色av免费| 亚洲欧美日韩综合在线| 国产九九影院| 91丝袜国产在线播放| 夜夜夜夜曰天天天天拍国产| 国产精品久久国产精品99| av午夜影院| xxxx国产一二三区xxxx| 亚洲欧美制服丝腿| 国产欧美二区| 欧美一区二区三区精品免费| 中文字幕欧美一区二区三区 | 国产免费一区二区三区四区| 亚洲精品乱码久久久久久蜜糖图片| 久久精品国产99| 久久久精品欧美一区二区免费| 国产欧美一二三区| 国产99久久九九精品免费| 小萝莉av| 亚洲午夜天堂吃瓜在线| 日韩av在线播| 日韩精品中文字幕一区二区三区 | 国产午夜精品免费一区二区三区视频| 国产伦精品一区二区三区免费优势| 亚洲国产精品国自产拍久久| 国产电影精品一区| 日韩av一区二区在线播放| 午夜精品一二三区| 日韩一级视频在线| 精品久久久久久中文字幕大豆网| 久久久人成影片免费观看| 国产91丝袜在线熟| 日本三级不卡视频| 国内揄拍国产精品| 久久综合国产伦精品免费| 国产日韩欧美亚洲综合| 国产乱一区二区三区视频| 国产日本一区二区三区| 国产精品一区久久人人爽| 国产一级一区二区| 欧美视屏一区| 玖玖玖国产精品| 国产91久| 亚洲精品卡一卡二 | av午夜电影| 国产88在线观看入口| 亚洲自偷精品视频自拍| 国产乱一区二区三区视频| 十八无遮挡| 国产一区精品在线观看| 久久精品国产亚洲一区二区| 国产免费区| 日韩欧美一区精品| 四季av中文字幕一区| 日韩中文字幕一区二区在线视频 | 午夜伦理在线观看| 亚洲国产另类久久久精品性| 日韩精品久久久久久中文字幕8| 国产精自产拍久久久久久蜜| 99久久国产综合| 精品国产1区2区3区| 国产一级一区二区三区| 国产视频二区| 国产精品一级片在线观看| 精品少妇一区二区三区免费观看焕| 欧美精品久久一区| 99热久久这里只精品国产www | 精品久久一区| 国产精品高潮呻吟88av| 国产精品第157页| 日韩av一区不卡| 国产午夜精品一区二区三区在线观看| 免费看片一区二区三区| 国产精品欧美日韩在线| 国产精品中文字幕一区 | 日韩av免费网站| 国产videosfree性另类| 国产无遮挡又黄又爽免费网站| 欧美精品免费一区二区| 欧美在线播放一区| 亚洲国产精品精品| 午夜一区二区三区在线观看| 91久久精品国产亚洲a∨麻豆 | 国产精品日本一区二区不卡视频| 丝袜美腿诱惑一区二区| 91精品啪在线观看国产| 午夜裸体性播放免费观看| 日韩欧美中文字幕精品| 99精品一区二区| 国产欧美日韩精品在线| 欧美日韩一区二区电影| 在线观看国产91| 亚洲三区二区一区| 国产在线一二区| 欧美精品日韩精品| 少妇厨房与子伦在线观看| 91高清一区| 午夜在线看片| 性欧美精品动漫| 国产女人和拘做受在线视频| 精品久久不卡| 欧美一区二区三区性| 亚洲欧洲精品一区二区三区不卡| 97久久精品人人做人人爽50路| 中文丰满岳乱妇在线观看| 国产精品久久久不卡| 97人人模人人爽人人喊小说| 国产精品视频一区二区在线观看 | 国产超碰人人模人人爽人人添| 亚洲网久久| 色噜噜狠狠狠狠色综合久| 亚洲欧美一卡二卡| 午夜影院啊啊啊| 亚洲精品一品区二品区三品区| 99精品视频一区二区| 国产一级片网站| 猛男大粗猛爽h男人味| 对白刺激国产对白精品城中村| 91麻豆国产自产在线观看hd| 欧美一区二区三区四区五区六区 | 国产精品一二三区视频出来一| 91麻豆国产自产在线观看hd| 国产aⅴ一区二区| 午夜叫声理论片人人影院| 91一区在线观看| 亚洲精品乱码久久久久久蜜糖图片| 国产精品视频一二区| 粉嫩久久久久久久极品| 久久免费精品国产| 国产在线观看免费麻豆| 丰满少妇在线播放bd日韩电影| 日韩欧美国产中文字幕| 欧美色综合天天久久综合精品| 97人人模人人爽视频一区二区 | 亚洲精品久久久久玩吗| 在线亚洲精品| 精品国产二区三区| 亚洲欧美日韩国产综合精品二区| 国产精品久久免费视频| 午夜黄色网址| 欧美精品日韩| 欧美日韩国产色综合视频| 国产乱色国产精品播放视频| 欧美高清视频一区二区三区| 欧美黄色一二三区| 日韩一区二区福利视频| 少妇bbwbbwbbw高潮| 夜夜躁人人爽天天天天大学生 | 日本一区午夜艳熟免费| av素人在线| 999偷拍精品视频| 91国偷自产中文字幕婷婷| 日本护士hd高潮护士| 91免费国产视频| 国产一区二区国产| 李采潭无删减版大尺度| 一本一道久久a久久精品综合蜜臀 国产三级在线视频一区二区三区 日韩欧美中文字幕一区 | 91久久综合亚洲鲁鲁五月天| 亚洲精品久久久中文| 午夜看片网站| 国产精品人人爽人人做av片| 久久午夜精品福利一区二区| 中文字幕日韩一区二区| 亚洲第一区国产精品| 欧美激情精品久久久久久免费| 久久亚洲综合国产精品99麻豆的功能介绍| 日韩精品一区二区亚洲| 国产精品二区一区二区aⅴ| 亚洲乱在线| 国产视频精品一区二区三区| 亚洲国产aⅴ精品一区二区16| 国产精品久久久久久久综合| 国产精品精品视频一区二区三区 | 久久99精品一区二区三区| 在线视频国产一区二区| 亚洲欧美一卡| 91精品视频免费在线观看| 夜夜躁日日躁狠狠久久av| av不卡一区二区三区| 欧美一区二区三区激情| 亚洲国产精品国自产拍久久| 精品久久二区| 少妇性色午夜淫片aaa播放5| 国产一级片大全| 免费看农村bbwbbw高潮| 丰满岳乱妇bd在线观看k8| 特级免费黄色片| 高清国产一区二区 | 91日韩一区二区三区| 日韩不卡毛片| 亚洲精品国产一区二区三区| 欧美一区二区三区白人| 亚洲精品主播| 激情欧美日韩| 99视频国产精品| 四虎国产永久在线精品| 国产午夜精品一区二区三区在线观看 | 欧美极品少妇| 国产99久久九九精品| 一区二区在线不卡| 麻豆精品久久久| 国产精品色婷婷99久久精品| 精品一区二区三区自拍图片区| 亚洲一卡二卡在线| 香蕉av一区二区| 狠狠色综合久久婷婷色天使| 国产欧美综合一区| 日本边做饭边被躁bd在线看| 国产一区二区高潮| 免费**毛片| 国产69精品久久久久999小说| 午夜影皖精品av在线播放| 毛片大全免费看| 国产理论片午午午伦夜理片2021| 国产午夜一级片| 中文字幕一区二区三区免费视频| 91精品免费观看| 91人人精品| 久久两性视频| 国产伦理精品一区二区三区观看体验 | www.日本一区| 国产日产精品一区二区|