![\](http://www.ecns.cn/hd/2019/03/01/a2bc883b26bc4935b91c75f7c2aef397.jpg)
"Chomper," a semi-autonomous, GPS-guided snow blower designed and built by MIT research engineer Dane Kouttron, clears snow following an overnight storm in Cambridge, Massachusetts, U.S., Feb. 28, 2019. (Photo/Agencies)
![MIT research engineer Dane Kouttron operates \](http://www.ecns.cn/hd/2019/03/01/c83cbc2ed7694e7ebbe52beea5adb6ff.jpg)
MIT research engineer Dane Kouttron operates "Chomper," a semi-autonomous, GPS-guided snow blower he has built and is testing, following an overnight snowstorm in Cambridge, Massachusetts, U.S., Feb. 28, 2019. (Photo/Agencies)
![MIT research engineer Dane Kouttron operates \](http://www.ecns.cn/hd/2019/03/01/1201437fecde4a37a773edf94e674f29.jpg)
MIT research engineer Dane Kouttron operates "Chomper," a semi-autonomous, GPS-guided snow blower he has built and is testing, following an overnight snowstorm in Cambridge, Massachusetts, U.S., Feb. 28, 2019. (Photo/Agencies)