What prevented Chris Cocalis from developing e-bikes sooner?
是什么阻碍了克里斯·科卡利斯更迅速地开发电动自行车？
Although e-bikes first appeared in the 90s, cheaper options and longer-lasting batteries are breathing new life into the concept.
虽然电动自行车最早出现在上世纪90年代，但更便宜的选择和更持久的电池正在给这一概念注入新的活力。
The new e-bikes can easily double that range.
使用新型的电动自行车可以轻松将这一里程翻番。
E-bikes weren't always so popular on the mainland.
电动自行车并不是一直在大陆畅销的。
Police stations are often fronted by a row of blue and white patrol e-bikes.
警察局也经常派出骑着蓝色和白色电动自行车的巡逻警察。
Experts say that the next regions to likely embrace e-bikes are Southeast Asia and India.
专家说，电动自行车可能大行其道的下一个地区将是东南亚和印度。
The biggest manufacturer, Jiangsu Xinri Electric Vehicle Co, produced 1.8m "e-bikes" last year.
去年，大陆规模最大的自行车制造商（江苏新日电动车有限公司）生产了180万辆“电动自行车”。
But after a while, I realized that e-bikes are actually much safer than motorcycles, and better for the environment.
但过了一段时间以后，我意识到电动自行车要比摩托车安全得多，对环境也有好处。
Commercial production of e-bikes only started in 1998, when 58,000 were produced, and has spiralled higher ever since.
商用电动车的生产始于1998年，当时的产量仅为58，000辆，但从那以后，电动车产量快速上升。
Chinese company Yadi produce just 50,000 e-bikes in 2005 when the company opened, compared to more than a million last year.
中国的雅迪公司刚成立时，在2005年只生产了5万辆电动自行车，而去年该公司的产量为50多万辆。
Most e-bikes rely on lead-acid batteries, cheap century-old technology unsuitable for the growing demands of daily commuting.
大多数电动自行车依靠酸性电池，这种非常廉价的上世纪的技术已经不能满足于每天消耗量的上升。
Japan has seen steady annual sales of about 300, 000 for several years, and in the cycle-crazy Netherlands e-bikes are beginning to take off.
在日本，已经有几年销量稳定在每年三十万辆。 在有骑车狂热的新西兰，电动自行车销量也开始起飞。
Because 95% of China's e-bikes use lead batteries, they emit more lead into the atmosphere than other forms of transportation, according to some studies.
由于中国95%的电动自行车使用铅电池，一些研究结果显示，电动自行车向大气中排放的铅要高于其他类型的交通工具。
In Zhejiang province, Hangzhou banned out-of-town e-bikes; in Wenzhou, police confiscated 5, 000 electric bikes in half a month for being too fast and large.
在浙江省，杭州市禁止外地牌照的电动自行车上路；温州市警方在半个月时间内没收了5，000辆电动自行车，这些车被没收的原因是速度太快或体积太大。
More cities decided they'd had enough. The northeast industrial town of Shenyang banned e-bikes in 2009 after their Numbers spiked in the wake of a motorcycle ban.
有更多城市认为它们已经无法容忍电动自行车。东北工业城市沈阳在2009年禁止了电动自行车，此前该市的电动自行车数量在摩托车被禁后出现了大幅增长。
Our main products are development PU self-formed leather products, such as seat handles for different kinds of passenger cars, e-bikes, and engineering and machinery seat;
各类客车座椅坐垫扶手，电动车座椅坐垫扶手，工程机械座椅坐垫扶手等开发性PU自结皮制品；
The authorities are also trying to make e-bikes themselves greener: manufacturers are being compelled to invest in lighter materials and to replace lead-acid batteries with lithium ones.
有关当局也正在设法使电动自行车变得更加环保：迫使制造商们投入资金研发轻型材料，用锂电瓶替代铅酸电瓶。
For weeks, I rode around town with a renewed sense of e-bike evangelism, eager to counter those who have argued the silent bikes are too fast and dangerous.
几个礼拜我骑着它在城里兜圈，都有一种全新意义上的宣传布道的意思，急切的想去反对那些还认为电动自行车太快了，不安全的人们。
For weeks, I rode around town with a renewed sense of e-bike evangelism, eager to counter those who have argued the silent bikes are too fast and dangerous.
几个礼拜我骑着它在城里兜圈，都有一种全新意义上的宣传布道的意思，急切的想去反对那些还认为电动自行车太快了，不安全的人们。
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