[思辯] 為什麼電動機車環保?
電動機車的動能,是由發電廠把 煤炭/鈾/風力/水力 轉成電能後
再由電能轉成動能
經過兩道的能量轉換
而一般的機車直接把汽油的化學能轉成動能
轉換的效率應該比電動機車高吧
換句話說就是
把一公升的汽油拿去發電,再用來幫電動機車充電
跟
直接把一公升汽油當作一般機車的燃料
應該是後者可以跑比較遠吧?
那為什麼電動機車環保呢?
--
※ 發信站: 批踢踢實業坊(ptt.cc)
◆ From: 118.169.34.198
推
03/01 23:39, , 1F
03/01 23:39, 1F
推
03/01 23:42, , 2F
03/01 23:42, 2F
→
03/01 23:43, , 3F
03/01 23:43, 3F
推
03/02 00:04, , 4F
03/02 00:04, 4F
→
03/02 00:34, , 5F
03/02 00:34, 5F
推
03/02 00:55, , 6F
03/02 00:55, 6F
→
03/02 00:58, , 7F
03/02 00:58, 7F
→
03/02 00:58, , 8F
03/02 00:58, 8F
→
03/02 01:07, , 9F
03/02 01:07, 9F
→
03/02 01:22, , 10F
03/02 01:22, 10F
→
03/02 01:23, , 11F
03/02 01:23, 11F
→
03/02 01:24, , 12F
03/02 01:24, 12F
→
03/02 01:26, , 13F
03/02 01:26, 13F
→
03/02 01:30, , 14F
03/02 01:30, 14F
→
03/02 01:32, , 15F
03/02 01:32, 15F
推
03/02 13:22, , 16F
03/02 13:22, 16F
噓
03/02 23:19, , 17F
03/02 23:19, 17F
討論串 (同標題文章)