Originally Posted by
ralfp
Does the auto train through the Chunnel limit the cars to 100mL containers (sorry, please remove the gas tank, radiator, etc. You can buy replacement parts in France/UK)? If not, the OP's complaint is far from absurd.
No mention about limitations for liquids (other than alcoholic drinks) on the Eurostar website, nor in the (impressive) list of forbidden items (appendix to their conditions of carriage).