Abstract: A power supply system includes a vehicle equipped with a battery, a power supply device, and a control device that controls power supply from the power supply device to the vehicle. The vehicle includes an engine and a motor that receives the power supplied from the battery to generate traveling drive force. When the power supply by the power supply device is requested from the vehicle, the control device (a) acquires a remaining amount of fuel for the engine from the vehicle, (b) outputs an instruction to urge the vehicle to shorten a charging time when the remaining amount of fuel is larger than a reference value, and (c) sets at least one of a unit price for charging power or a unit price for fuel lower when a response to accept the instruction is received from the vehicle compared with when the instruction is not accepted.

Abstract: In order to acquire answer information to be searched from a large amount of question information, there is provided an FAQ search engine which can acquire an appropriate term and acquire appropriate information by using the term as a search keyword. It comprises a document of describing a search keyword, a terminal unit for acquiring the search keyword from the document and inputting the search keyword, a database which has a keyword group consisting of search keywords obtained by adding numbers to the keywords described in the document, and an FAQ data group for managing FAQ data relevant to the numbers, a number acquisition portion for acquiring the number corresponding to the provided search keyword out of the keyword group, a data extract portion for acquiring FAQ data corresponding to the number acquired from the number acquisition portion out of the FAQ data group, and an FAQ display portion for displaying the FAQ data on the terminal unit.

Abstract: In order to acquire answer information to be searched from a large amount of question information, there is provided an FAQ search engine which can acquire an appropriate term and acquire appropriate information by using the term as a search keyword. It comprises a document of describing a search keyword, a terminal unit for acquiring the search keyword from the document and inputting the search keyword, a database which has a keyword group consisting of search keywords obtained by adding numbers to the keywords described in the document, and an FAQ data group for managing FAQ data relevant to the numbers, a number acquisition portion for acquiring the number corresponding to the provided search keyword out of the keyword group, a data extract portion for acquiring FAQ data corresponding to the number acquired from the number acquisition portion out of the FAQ data group, and an FAQ display portion for displaying the FAQ data on the terminal unit.