ເຊີນຮັບຊົມ ກ່ຽວກັບ ບໍລິສັດເລີ້ມຕົ້ນໃໝ່ຂອງລັດຄາລິຟໍເນຍ ຫັນປ່ຽນເຮືອບິນທີ່ໃຊ້ນ້ຳມັນເຊື້ອໄຟ ໃຫ້ໄປແລ່ນດ້ວຍໄຮໂດຣເຈນ.

A California company is converting jet-fuel aircraft to run on hydrogen to reduce emissions that harm the environment. Genia Dulot takes a look at experimental planes that are already in the air