3 sentences

1. 机动车不准驶入这条步行街。

   jī​dòng​chē bù zhǔn shǐ​rù zhè tiáo bù​xíng​jiē.

   Motor vehicles are not allowed to enter this pedestrian street.

   Source: Dong Chinese Dictionary

2. 机动车辆在人行道上行驶是违法的。

   jī​dòng chē​liàng zài rén​xíng​dào shàng xíng​shǐ shì wéi​fǎ de.

   It is illegal for motor vehicles to drive on the sidewalk.

   Source: Dong Chinese Dictionary

3. 这家公司成功将旗下的老款汽车转型为电动车型。

   zhè jiā gōng​sī chéng​gōng jiāng qí​xià de lǎo kuǎn qì​chē zhuǎn​xíng wéi diàn​dòng chē​xíng.

   The company successfully transitioned its old car models into electric ones.

   Source: Dong Chinese Dictionary