BANGKOK : Thailand is offering a guarantee for loans for pickup trucks, a key segment of its car manufacturing industry, as it seeks to boost a flagging autos sector that saw production slump to a four-year low last year. Thailand is Southeast Asia's biggest autos production centre and an export base for top automakers like Toyota and Honda, but its auto shipments declined 8.8 per cent last year, when domestic sales plunged 26 per cent. A major factor in the decline has been lack of access in