,i  #aacth ,,congress  #b;d ,session    
,h4 ,r4 #dgch  ,,in ,,the ,,house ,,of  
,,representatives  ,may #bb1 #bjad ,mr4 
,payne introduced the following bill2   
which was referred to the ,committee on 
,transportation and ,infrastructure  ,a 
,,bill  ,to ensure the safety of        
,,dot-#aaa tank cars by improving       
standards for new tank cars and         
upgrading existing tank cars1 and for   
other purposes4  #a4 ,short title ,this 
,act may be cited as the ,tank ,car     
,safety ,act of #bjad4  #b4 ,,dot-#aaa  
tank car improvements  7a7 ,in general  
,not later than #a year after the date  
of enactment of this ,act1 the          
,secretary of ,transportation shall     
revise regulations regarding ,,dot-#aaa 
tank cars to--  7#a7 improve such tank  
car design standards for new cars to    
include an outer steel jacket around the
 tank car and thermal protection1       
full-height head shields and high-flow  
capacity pressure relief valves2 and    
7#b7 require additional safety upgrades 

to tank cars built after ,october #bjaa 
by including installation of            
high-flow-capacity relief valves and    
design modifications to prevent bottom  
outlets from opening in the case of an  
accident4  7b7 ,phase out plan ,not     
later than #a year after the date of    
enactment of this ,act1 the ,secretary  
of ,transportation shall submit a plan  
to the appropriate committees of        
,congress to phase out1 on an aggressive
 basis1 older-model ,,dot-#aaa tank cars
 used to move flammable liquids that are
 not retrofitted to meet new ,federal   
requirements established under this     
section4