德國官方表示新柴油引擎並不比汽油環保 - 汽車

By Isabella
at 2017-09-21T20:33
at 2017-09-21T20:33
Table of Contents
原文連結:
https://goo.gl/qB7M4H
原文內容:
柴油真的走向末日?德國官方表示新世代柴油引擎並不比汽油環保
繼傳出歐洲有意淘汰柴油引擎的消息傳出後,近日路透社報導指出,德國官方表示:「新
世代柴油引擎在排放表現上,並不會比新世代汽油引擎更為環保。」此一官方聲明無疑對
於柴油引擎來說,是另一項重大打擊;不過,就現實面來說,柴油動力科技在本質上,還
是擁有較汽油引擎更為節能的優勢,因此要將柴油引擎完全淘汰,短時間內可行性並不高
。
路透社報導指出,德國官方表示:「新世代柴油引擎在排放表現上,並不比新世代汽油引
擎來得環保。」
在21世紀初,柴油動力單元擁有較汽油引擎更出色的效能,逐漸崛起成車壇一大潮流,尤
其在體型較大、對應駕駛環境較廣的SUV車型上,柴油車款更是一大主力,不過、隨著石
油終將用盡的困境浮上檯面,以及全球日益嚴峻的環保條件要求,各大品牌也在動力科技
上大幅躍進,更有效率應用每一份資源成為課題,而汽油引擎的效能與性能,再次獲得提
升,也拉近了與柴油引擎之間的落差。
柴油引擎構造上的優勢,帶來了低轉速高扭力的特色,在壅塞的市區路段、山區道路使用
上,油耗表現仍舊會比汽油引擎來得出色,這乃是難以超越的本質特色,不過,柴油精煉
程度不如汽油高,油質內含的氮氧化合物較高,排放之廢棄也擁有較多的微粒,因此就需
要觸媒轉化器與微粒過濾等裝置,來進行改善以符合環保法規的排放標準。新世代柴油引
擎在動力科技進步下,已經能大幅減少氮氧化物與懸浮微粒的排放。
柴油引擎擁有的低轉速高扭力特色,在許多駕駛環境中擁有較出色的油耗表現,但同時也
因油質精煉度較低之故,因此排放表現對環境較不友善。
就在柴油逐步在全球各市場都獲得好評、也逐漸日益提升其市場占比,時序來到2015年時
,爆發出了柴油門事件,Volkswagen集團被揭發其柴油車款,搭載了軟體程式用以通過法
規認證,此一事件也如連環爆般,在市場上帶來不小漣漪,各大汽車集團也陸續陷入風暴
中,柴油引擎的存續更成為一大話題,陸續傳出歐洲許多國家研擬淘汰柴油車型。
近日,路透社的一篇報導指出,德國交通部 (German Transport Ministry) 表示,新世
代柴油引擎的二氧化碳排放量,並不會比新世代汽油引擎來得出色,此一聲明對柴油引擎
的存續而言,無疑是另一項重大打擊;報導內容也提到,近年來動力科技發展之下,柴油
引擎與汽油引擎在平均效能表現上已經相差無幾,不過二氧化碳排放量卻是汽油引擎大幅
勝出,主因在於柴油車型變得更重、且動力輸出更大,這因應了市場消費者對於車輛的需
求,但也造成了排放表現的下滑。
心得/說明:
柴油粉要哭哭了
德國官方親自出來認證就算是新世代的柴油引擎還是要比汽油引擎排放更高
動力表現則是差不多
雖然柴油引擎油耗表現會比較好
但因為需要加裝觸媒轉化器跟過濾裝置甚至是添加尿素等額外的部件
省下來的油錢也早就被這些給吃掉了,實際上也不會比較經濟
連德國官方都這麼說了
還會有人想買清庫存的柴油引擎小客車幫車廠攤研發費用嗎?
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