تويتر \ PA Department of Transportation على تويتر: "#LibertyBridge is open, but with a 9-ton weight limit. Here's a handy guide to approx. vehicle weights. More info → https://t.co/Ns3ldaXLgD https://t.co/PC1tepI4xy"
Ducker survey finds aluminum expected to represent 16% of total vehicle weight by 2028; transition to a multi-material design - Green Car Congress
![What is a "ton" of carbon dioxide anyway? | A New Shade of Green | Sherry Listgarten | Almanac Online What is a "ton" of carbon dioxide anyway? | A New Shade of Green | Sherry Listgarten | Almanac Online](https://www.almanacnews.com/blogs/photos/44/3499.jpg)