femsa has not issued the final rules yet and i think they're a little slow on that. i think the cars can be made safer but it's a matter of physics. you cannot make armored cars that will be absolutely indestructible and move them in a timely manner. so there's a certain amount of risk. it's very low. you want to mitigate it. in very cold weather as in very warm weather, it presents challenges sometimes to railroads. and you need more inspection. they're doing it. but, you know, the end result is -- >> you do seem to feel as though the government has not come forward quick enough in mandating stronger with thicker steel insulation if you will of the cars correct? >> i think femsa could have put the rules in place in a more timely manner. >> one more quick one. obviously, pipelines have accidents too. several hundred a year here. many of them are small. is it fair to say that a pipeline accident doesn't maybe get as much play as a rail accident because those accidents are unseen in remote areas and less likely to kbus? >> absolutely. a rail car carries about 28,000 ga